/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 21:20:22,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 21:20:22,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 21:20:22,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 21:20:22,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 21:20:22,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 21:20:22,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 21:20:22,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 21:20:22,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 21:20:22,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 21:20:22,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 21:20:22,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 21:20:22,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 21:20:22,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 21:20:22,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 21:20:22,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 21:20:22,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 21:20:22,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 21:20:22,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 21:20:22,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 21:20:22,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 21:20:22,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 21:20:22,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 21:20:22,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 21:20:22,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 21:20:22,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 21:20:22,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 21:20:22,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 21:20:22,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 21:20:22,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 21:20:22,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 21:20:22,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 21:20:22,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 21:20:22,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 21:20:22,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 21:20:22,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 21:20:22,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 21:20:22,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 21:20:22,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 21:20:22,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 21:20:22,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 21:20:22,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-19 21:20:22,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 21:20:22,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 21:20:22,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 21:20:22,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 21:20:22,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 21:20:22,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 21:20:22,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 21:20:22,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 21:20:22,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 21:20:22,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 21:20:22,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 21:20:22,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 21:20:22,846 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-19 21:20:22,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 21:20:22,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 21:20:22,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 21:20:22,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 21:20:22,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-19 21:20:22,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 21:20:22,847 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 21:20:23,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 21:20:23,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 21:20:23,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 21:20:23,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 21:20:23,307 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 21:20:23,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-19 21:20:23,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67ce6faa/d05ad79fa77a4df992d4735fd7522c49/FLAG8c1fbf048 [2021-02-19 21:20:24,478 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 21:20:24,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-19 21:20:24,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67ce6faa/d05ad79fa77a4df992d4735fd7522c49/FLAG8c1fbf048 [2021-02-19 21:20:24,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e67ce6faa/d05ad79fa77a4df992d4735fd7522c49 [2021-02-19 21:20:24,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 21:20:24,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 21:20:24,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 21:20:24,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 21:20:24,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 21:20:24,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:20:24" (1/1) ... [2021-02-19 21:20:24,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ded246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:24, skipping insertion in model container [2021-02-19 21:20:24,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:20:24" (1/1) ... [2021-02-19 21:20:24,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 21:20:25,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 21:20:25,678 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-19 21:20:26,451 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i[152151,152164] [2021-02-19 21:20:27,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 21:20:27,622 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 21:20:27,773 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-19 21:20:27,811 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i[152151,152164] [2021-02-19 21:20:28,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 21:20:28,651 INFO L208 MainTranslator]: Completed translation [2021-02-19 21:20:28,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28 WrapperNode [2021-02-19 21:20:28,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 21:20:28,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 21:20:28,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 21:20:28,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 21:20:28,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:28,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:28,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:28,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:29,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:29,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:29,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (1/1) ... [2021-02-19 21:20:29,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 21:20:29,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 21:20:29,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 21:20:29,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 21:20:29,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (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 [2021-02-19 21:20:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-19 21:20:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_isoc_in [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-19 21:20:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-02-19 21:20:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-19 21:20:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-19 21:20:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-19 21:20:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-02-19 21:20:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-02-19 21:20:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-19 21:20:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-02-19 21:20:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-19 21:20:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-19 21:20:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-19 21:20:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-19 21:20:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-19 21:20:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-19 21:20:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-19 21:20:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_write_reg [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_read_reg [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_start_stream [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_stop_stream [2021-02-19 21:20:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_initialise [2021-02-19 21:20:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_isoc_handler [2021-02-19 21:20:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_iso [2021-02-19 21:20:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_clean_iso [2021-02-19 21:20:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_siobuf [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_sio_buffers [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_sio_buffers [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_allocate_buffers [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_buffers [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_open [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_release [2021-02-19 21:20:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_read [2021-02-19 21:20:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_read [2021-02-19 21:20:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_poll [2021-02-19 21:20:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_open [2021-02-19 21:20:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_close [2021-02-19 21:20:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_mmap [2021-02-19 21:20:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querycap [2021-02-19 21:20:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_input [2021-02-19 21:20:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_input [2021-02-19 21:20:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_input [2021-02-19 21:20:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_s_ctrl [2021-02-19 21:20:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-19 21:20:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_fmt_vid_cap [2021-02-19 21:20:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_try_fmt_vid_cap [2021-02-19 21:20:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_try_fmt_vid_cap [2021-02-19 21:20:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_format [2021-02-19 21:20:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_fmt_vid_cap [2021-02-19 21:20:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_reqbufs [2021-02-19 21:20:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querybuf [2021-02-19 21:20:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_qbuf [2021-02-19 21:20:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_dqbuf [2021-02-19 21:20:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamon [2021-02-19 21:20:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamoff [2021-02-19 21:20:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_parm [2021-02-19 21:20:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_framesizes [2021-02-19 21:20:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_dev_release [2021-02-19 21:20:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_register_video_device [2021-02-19 21:20:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_probe [2021-02-19 21:20:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_disconnect [2021-02-19 21:20:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_suspend [2021-02-19 21:20:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_resume [2021-02-19 21:20:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_init [2021-02-19 21:20:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_exit [2021-02-19 21:20:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-19 21:20:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_6 [2021-02-19 21:20:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-19 21:20:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-19 21:20:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 21:20:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-19 21:20:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-19 21:20:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-19 21:20:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2021-02-19 21:20:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2021-02-19 21:20:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-19 21:20:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2021-02-19 21:20:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_8 [2021-02-19 21:20:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_9 [2021-02-19 21:20:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_10 [2021-02-19 21:20:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_11 [2021-02-19 21:20:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2021-02-19 21:20:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2021-02-19 21:20:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_outb [2021-02-19 21:20:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_inb [2021-02-19 21:20:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_write_regvals [2021-02-19 21:20:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_sleep [2021-02-19 21:20:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_wakeup [2021-02-19 21:20:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_init [2021-02-19 21:20:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_hw [2021-02-19 21:20:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_configure [2021-02-19 21:20:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_brightness [2021-02-19 21:20:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-19 21:20:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-19 21:20:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-19 21:20:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-19 21:20:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-19 21:20:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-19 21:20:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-19 21:20:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-19 21:20:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-19 21:20:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-19 21:20:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-19 21:20:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-19 21:20:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-02-19 21:20:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-19 21:20:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2021-02-19 21:20:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-19 21:20:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-19 21:20:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-19 21:20:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-19 21:20:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-19 21:20:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-19 21:20:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-19 21:20:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-19 21:20:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-19 21:20:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-19 21:20:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-19 21:20:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-19 21:20:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-19 21:20:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_vmalloc_range [2021-02-19 21:20:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-19 21:20:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-19 21:20:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-19 21:20:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-02-19 21:20:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-19 21:20:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-19 21:20:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-19 21:20:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-19 21:20:30,057 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-19 21:20:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-19 21:20:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_user [2021-02-19 21:20:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-19 21:20:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-19 21:20:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-19 21:20:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-19 21:20:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-19 21:20:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-19 21:20:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_isoc_in [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-19 21:20:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-19 21:20:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-02-19 21:20:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-19 21:20:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-19 21:20:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_user [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure remap_vmalloc_range [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-19 21:20:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_11 [2021-02-19 21:20:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_10 [2021-02-19 21:20:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-02-19 21:20:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_9 [2021-02-19 21:20:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-19 21:20:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2021-02-19 21:20:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_8 [2021-02-19 21:20:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-19 21:20:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-19 21:20:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2021-02-19 21:20:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-19 21:20:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2021-02-19 21:20:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2021-02-19 21:20:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2021-02-19 21:20:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-19 21:20:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-19 21:20:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-19 21:20:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-19 21:20:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-19 21:20:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-19 21:20:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_6 [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-19 21:20:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-19 21:20:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-19 21:20:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_write_reg [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_read_reg [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_init [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_configure [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_sleep [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_wakeup [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_brightness [2021-02-19 21:20:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure stk_start_stream [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stk_stop_stream [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stk_initialise [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stk_isoc_handler [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_iso [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stk_clean_iso [2021-02-19 21:20:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_siobuf [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_sio_buffers [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_sio_buffers [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure stk_allocate_buffers [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_buffers [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_open [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_release [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure stk_read [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_read [2021-02-19 21:20:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_poll [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_open [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_close [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_mmap [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querycap [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_input [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_input [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_input [2021-02-19 21:20:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stk_s_ctrl [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_fmt_vid_cap [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_try_fmt_vid_cap [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_try_fmt_vid_cap [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_format [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_fmt_vid_cap [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_reqbufs [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querybuf [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_qbuf [2021-02-19 21:20:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_dqbuf [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamon [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamoff [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_parm [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_framesizes [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_dev_release [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_register_video_device [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_probe [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_disconnect [2021-02-19 21:20:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_suspend [2021-02-19 21:20:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_resume [2021-02-19 21:20:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_init [2021-02-19 21:20:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_exit [2021-02-19 21:20:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-19 21:20:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-19 21:20:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-19 21:20:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2021-02-19 21:20:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 21:20:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_outb [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_inb [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_write_regvals [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_hw [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-19 21:20:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-19 21:20:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-19 21:20:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-19 21:20:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 21:20:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-19 21:20:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-19 21:20:32,637 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-19 21:20:38,694 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-19 21:20:46,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 21:20:46,047 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-19 21:20:46,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:20:46 BoogieIcfgContainer [2021-02-19 21:20:46,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 21:20:46,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 21:20:46,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 21:20:46,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 21:20:46,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:20:24" (1/3) ... [2021-02-19 21:20:46,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19dbde04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:20:46, skipping insertion in model container [2021-02-19 21:20:46,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:20:28" (2/3) ... [2021-02-19 21:20:46,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19dbde04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:20:46, skipping insertion in model container [2021-02-19 21:20:46,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:20:46" (3/3) ... [2021-02-19 21:20:46,072 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-19 21:20:46,080 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-19 21:20:46,091 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 21:20:46,111 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 21:20:46,146 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 21:20:46,146 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 21:20:46,146 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-19 21:20:46,146 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 21:20:46,146 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 21:20:46,146 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 21:20:46,147 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 21:20:46,147 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 21:20:46,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states. [2021-02-19 21:20:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2021-02-19 21:20:46,418 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:20:46,420 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 21:20:46,421 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:20:46,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:20:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2108725052, now seen corresponding path program 1 times [2021-02-19 21:20:46,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:20:46,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636753285] [2021-02-19 21:20:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:20:46,588 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:20:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:48,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:48,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:48,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:48,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:53,931 WARN L202 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-19 21:20:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:20:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:54,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:54,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-19 21:20:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-19 21:20:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-19 21:20:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-19 21:20:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-19 21:20:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-19 21:20:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-19 21:20:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-19 21:20:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-19 21:20:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-19 21:20:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-19 21:20:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-19 21:20:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-19 21:20:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-19 21:20:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-19 21:20:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-19 21:20:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-19 21:20:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-19 21:20:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-19 21:20:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-19 21:20:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-19 21:20:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-19 21:20:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-19 21:20:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-19 21:20:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-19 21:20:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-19 21:20:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-19 21:20:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-19 21:20:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-19 21:20:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-19 21:20:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-19 21:20:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-19 21:20:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-19 21:20:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:20:55,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:20:55,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2021-02-19 21:20:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2021-02-19 21:20:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-19 21:20:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:20:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:20:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:20:55,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:20:55,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:20:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5121 trivial. 0 not checked. [2021-02-19 21:20:57,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636753285] [2021-02-19 21:20:57,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:20:57,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 21:20:57,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083889956] [2021-02-19 21:20:57,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 21:20:57,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:20:57,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 21:20:57,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-19 21:20:57,252 INFO L87 Difference]: Start difference. First operand 7799 states. Second operand 8 states. [2021-02-19 21:21:21,075 WARN L202 SmtUtils]: Spent 5.81 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-19 21:21:26,899 WARN L202 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 714 [2021-02-19 21:23:45,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:23:45,193 INFO L93 Difference]: Finished difference Result 15712 states and 17562 transitions. [2021-02-19 21:23:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:23:45,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1639 [2021-02-19 21:23:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:23:45,297 INFO L225 Difference]: With dead ends: 15712 [2021-02-19 21:23:45,297 INFO L226 Difference]: Without dead ends: 9013 [2021-02-19 21:23:45,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-02-19 21:23:45,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9013 states. [2021-02-19 21:23:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9013 to 7746. [2021-02-19 21:23:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7746 states. [2021-02-19 21:23:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 8390 transitions. [2021-02-19 21:23:50,107 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 8390 transitions. Word has length 1639 [2021-02-19 21:23:50,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:23:50,114 INFO L480 AbstractCegarLoop]: Abstraction has 7746 states and 8390 transitions. [2021-02-19 21:23:50,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 21:23:50,115 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 8390 transitions. [2021-02-19 21:23:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2021-02-19 21:23:50,148 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:23:50,150 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 21:23:50,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 21:23:50,151 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:23:50,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:23:50,152 INFO L82 PathProgramCache]: Analyzing trace with hash -211752194, now seen corresponding path program 1 times [2021-02-19 21:23:50,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:23:50,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581283064] [2021-02-19 21:23:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:23:50,179 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:23:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:51,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:51,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:51,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:51,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:23:51,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:51,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:57,112 WARN L202 SmtUtils]: Spent 6.06 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-19 21:23:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:23:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:57,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:57,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-19 21:23:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-19 21:23:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-19 21:23:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-19 21:23:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-19 21:23:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-19 21:23:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-19 21:23:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-19 21:23:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-19 21:23:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-19 21:23:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-19 21:23:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-19 21:23:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-19 21:23:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-19 21:23:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-19 21:23:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-19 21:23:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-19 21:23:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-19 21:23:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-19 21:23:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-19 21:23:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-19 21:23:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-19 21:23:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-19 21:23:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-19 21:23:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-19 21:23:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-19 21:23:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-19 21:23:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-19 21:23:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-19 21:23:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-19 21:23:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-19 21:23:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-19 21:23:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-19 21:23:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-19 21:23:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-19 21:23:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1634 [2021-02-19 21:23:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:23:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:23:58,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:23:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:23:58,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:23:58,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:24:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5139 trivial. 0 not checked. [2021-02-19 21:24:00,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581283064] [2021-02-19 21:24:00,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:24:00,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 21:24:00,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686945365] [2021-02-19 21:24:00,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 21:24:00,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:24:00,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 21:24:00,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-19 21:24:00,411 INFO L87 Difference]: Start difference. First operand 7746 states and 8390 transitions. Second operand 7 states. [2021-02-19 21:24:24,919 WARN L202 SmtUtils]: Spent 6.13 s on a formula simplification that was a NOOP. DAG size: 711 [2021-02-19 21:27:50,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:27:50,818 INFO L93 Difference]: Finished difference Result 22948 states and 25398 transitions. [2021-02-19 21:27:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 21:27:50,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1651 [2021-02-19 21:27:50,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:27:50,924 INFO L225 Difference]: With dead ends: 22948 [2021-02-19 21:27:50,924 INFO L226 Difference]: Without dead ends: 16461 [2021-02-19 21:27:50,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-19 21:27:50,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16461 states. [2021-02-19 21:27:58,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16461 to 14168. [2021-02-19 21:27:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14168 states. [2021-02-19 21:27:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14168 states to 14168 states and 15435 transitions. [2021-02-19 21:27:58,987 INFO L78 Accepts]: Start accepts. Automaton has 14168 states and 15435 transitions. Word has length 1651 [2021-02-19 21:27:58,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:27:58,991 INFO L480 AbstractCegarLoop]: Abstraction has 14168 states and 15435 transitions. [2021-02-19 21:27:58,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 21:27:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 14168 states and 15435 transitions. [2021-02-19 21:27:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2021-02-19 21:27:59,024 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:27:59,025 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 21:27:59,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 21:27:59,026 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:27:59,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:27:59,027 INFO L82 PathProgramCache]: Analyzing trace with hash -745711009, now seen corresponding path program 1 times [2021-02-19 21:27:59,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:27:59,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017233489] [2021-02-19 21:27:59,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:27:59,047 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:27:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:27:59,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:27:59,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:27:59,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:27:59,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:05,792 WARN L202 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-19 21:28:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:28:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-19 21:28:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-19 21:28:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-19 21:28:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-19 21:28:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-19 21:28:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-19 21:28:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:06,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:06,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-19 21:28:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-19 21:28:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-19 21:28:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-19 21:28:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-19 21:28:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-19 21:28:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-19 21:28:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-19 21:28:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-19 21:28:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-19 21:28:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-19 21:28:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-19 21:28:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-19 21:28:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-19 21:28:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-19 21:28:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-19 21:28:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-19 21:28:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-19 21:28:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-19 21:28:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-19 21:28:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-19 21:28:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-19 21:28:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-19 21:28:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-19 21:28:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-19 21:28:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-19 21:28:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-19 21:28:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:28:07,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:28:07,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:28:07,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-19 21:28:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-19 21:28:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-19 21:28:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:28:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 21:28:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-19 21:28:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:07,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:28:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:28:07,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:28:07,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:28:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5125 trivial. 0 not checked. [2021-02-19 21:28:09,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017233489] [2021-02-19 21:28:09,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:28:09,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 21:28:09,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547273929] [2021-02-19 21:28:09,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 21:28:09,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:28:09,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 21:28:09,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-19 21:28:09,042 INFO L87 Difference]: Start difference. First operand 14168 states and 15435 transitions. Second operand 10 states. [2021-02-19 21:28:22,338 WARN L202 SmtUtils]: Spent 6.03 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-19 21:29:03,372 WARN L202 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-19 21:30:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:30:10,541 INFO L93 Difference]: Finished difference Result 29398 states and 32475 transitions. [2021-02-19 21:30:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 21:30:10,543 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1696 [2021-02-19 21:30:10,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:30:10,613 INFO L225 Difference]: With dead ends: 29398 [2021-02-19 21:30:10,613 INFO L226 Difference]: Without dead ends: 16466 [2021-02-19 21:30:10,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 21:30:10,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16466 states. [2021-02-19 21:30:19,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16466 to 14174. [2021-02-19 21:30:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14174 states. [2021-02-19 21:30:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14174 states to 14174 states and 15441 transitions. [2021-02-19 21:30:19,642 INFO L78 Accepts]: Start accepts. Automaton has 14174 states and 15441 transitions. Word has length 1696 [2021-02-19 21:30:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:30:19,645 INFO L480 AbstractCegarLoop]: Abstraction has 14174 states and 15441 transitions. [2021-02-19 21:30:19,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 21:30:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14174 states and 15441 transitions. [2021-02-19 21:30:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-19 21:30:19,676 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:30:19,677 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 21:30:19,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 21:30:19,678 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:30:19,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:30:19,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1557834395, now seen corresponding path program 2 times [2021-02-19 21:30:19,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:30:19,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841546593] [2021-02-19 21:30:19,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:30:19,697 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:30:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:20,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:20,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:20,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:20,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:26,758 WARN L202 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-19 21:30:26,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:30:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-19 21:30:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-19 21:30:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-19 21:30:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-19 21:30:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-19 21:30:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-19 21:30:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-19 21:30:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-19 21:30:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-19 21:30:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-19 21:30:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-19 21:30:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-19 21:30:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-19 21:30:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-19 21:30:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-19 21:30:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-19 21:30:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:27,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:27,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:27,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-19 21:30:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-19 21:30:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-19 21:30:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-19 21:30:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-19 21:30:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-19 21:30:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-19 21:30:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-19 21:30:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-19 21:30:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-19 21:30:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-19 21:30:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-19 21:30:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-19 21:30:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-19 21:30:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-19 21:30:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-19 21:30:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-19 21:30:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:30:28,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:30:28,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:30:28,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:30:28,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2021-02-19 21:30:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1606 [2021-02-19 21:30:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-19 21:30:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:30:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 21:30:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-19 21:30:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:28,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:30:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:30:28,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:30:28,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:30:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5129 trivial. 0 not checked. [2021-02-19 21:30:30,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841546593] [2021-02-19 21:30:30,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:30:30,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-19 21:30:30,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228004662] [2021-02-19 21:30:30,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 21:30:30,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:30:30,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 21:30:30,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-19 21:30:30,327 INFO L87 Difference]: Start difference. First operand 14174 states and 15441 transitions. Second operand 11 states. [2021-02-19 21:30:44,087 WARN L202 SmtUtils]: Spent 6.33 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-19 21:31:22,379 WARN L202 SmtUtils]: Spent 6.29 s on a formula simplification that was a NOOP. DAG size: 715 [2021-02-19 21:32:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 21:32:29,947 INFO L93 Difference]: Finished difference Result 29408 states and 32485 transitions. [2021-02-19 21:32:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:32:29,947 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1708 [2021-02-19 21:32:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 21:32:30,004 INFO L225 Difference]: With dead ends: 29408 [2021-02-19 21:32:30,005 INFO L226 Difference]: Without dead ends: 16470 [2021-02-19 21:32:30,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2021-02-19 21:32:30,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16470 states. [2021-02-19 21:32:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16470 to 14178. [2021-02-19 21:32:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14178 states. [2021-02-19 21:32:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14178 states to 14178 states and 15445 transitions. [2021-02-19 21:32:38,466 INFO L78 Accepts]: Start accepts. Automaton has 14178 states and 15445 transitions. Word has length 1708 [2021-02-19 21:32:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 21:32:38,468 INFO L480 AbstractCegarLoop]: Abstraction has 14178 states and 15445 transitions. [2021-02-19 21:32:38,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-19 21:32:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 14178 states and 15445 transitions. [2021-02-19 21:32:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2021-02-19 21:32:38,499 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 21:32:38,500 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 21:32:38,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 21:32:38,501 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 21:32:38,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:32:38,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1341982869, now seen corresponding path program 3 times [2021-02-19 21:32:38,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 21:32:38,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710980601] [2021-02-19 21:32:38,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:32:38,519 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 21:32:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:39,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:39,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:39,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:39,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:45,187 WARN L202 SmtUtils]: Spent 5.88 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-19 21:32:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 21:32:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:45,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:45,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-19 21:32:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-19 21:32:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-19 21:32:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-19 21:32:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-19 21:32:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-19 21:32:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-19 21:32:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-19 21:32:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-19 21:32:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-19 21:32:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-19 21:32:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-19 21:32:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-19 21:32:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-19 21:32:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-19 21:32:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-19 21:32:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-19 21:32:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-19 21:32:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-19 21:32:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-19 21:32:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-19 21:32:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-19 21:32:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-19 21:32:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-19 21:32:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-19 21:32:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-19 21:32:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-19 21:32:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-19 21:32:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-19 21:32:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-19 21:32:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-19 21:32:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-19 21:32:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-19 21:32:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:32:46,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:32:46,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:32:46,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:32:46,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 21:32:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1596 [2021-02-19 21:32:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2021-02-19 21:32:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1660 [2021-02-19 21:32:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:32:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 21:32:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-19 21:32:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 21:32:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:32:46,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:32:46,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 21:32:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5163 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5133 trivial. 0 not checked. [2021-02-19 21:32:48,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710980601] [2021-02-19 21:32:48,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:32:48,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-19 21:32:48,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132953455] [2021-02-19 21:32:48,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 21:32:48,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 21:32:48,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 21:32:48,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-19 21:32:48,630 INFO L87 Difference]: Start difference. First operand 14178 states and 15445 transitions. Second operand 12 states. [2021-02-19 21:33:01,009 WARN L202 SmtUtils]: Spent 5.88 s on a formula simplification that was a NOOP. DAG size: 712