/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/acceleratedInterpolationWernerOverapprox_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-36cd7be [2021-02-24 06:14:55,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 06:14:55,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 06:14:55,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 06:14:55,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 06:14:55,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 06:14:55,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 06:14:55,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 06:14:55,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 06:14:55,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 06:14:55,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 06:14:55,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 06:14:55,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 06:14:55,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 06:14:55,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 06:14:55,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 06:14:55,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 06:14:55,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 06:14:55,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 06:14:55,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 06:14:55,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 06:14:55,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 06:14:55,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 06:14:55,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 06:14:55,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 06:14:55,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 06:14:55,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 06:14:55,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 06:14:55,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 06:14:55,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 06:14:55,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 06:14:55,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 06:14:55,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 06:14:55,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 06:14:55,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 06:14:55,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 06:14:55,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 06:14:55,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 06:14:55,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 06:14:55,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 06:14:55,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 06:14:55,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_64.epf [2021-02-24 06:14:55,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 06:14:55,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 06:14:55,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 06:14:55,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 06:14:55,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 06:14:55,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 06:14:55,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 06:14:55,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 06:14:55,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 06:14:55,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 06:14:55,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 06:14:55,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 06:14:55,866 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 06:14:55,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 06:14:55,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 06:14:55,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 06:14:55,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 06:14:55,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 06:14:55,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 06:14:55,867 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 06:14:55,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 06:14:56,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 06:14:56,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 06:14:56,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 06:14:56,264 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 06:14:56,265 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 06:14:56,266 INFO L432 ainManager$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 [2021-02-24 06:14:56,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133f60f8c/a483fc8c38224d86b2720e5a9e48637a/FLAGb7684b846 [2021-02-24 06:14:57,605 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 06:14:57,607 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 [2021-02-24 06:14:57,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133f60f8c/a483fc8c38224d86b2720e5a9e48637a/FLAGb7684b846 [2021-02-24 06:14:57,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133f60f8c/a483fc8c38224d86b2720e5a9e48637a [2021-02-24 06:14:57,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 06:14:57,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 06:14:57,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 06:14:57,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 06:14:57,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 06:14:57,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 06:14:57" (1/1) ... [2021-02-24 06:14:57,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1c01e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:14:57, skipping insertion in model container [2021-02-24 06:14:57,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 06:14:57" (1/1) ... [2021-02-24 06:14:57,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 06:14:58,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 06:14:58,678 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-24 06:14:59,207 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] [2021-02-24 06:14:59,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 06:15:00,100 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 06:15:00,217 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-24 06:15:00,252 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] [2021-02-24 06:15:00,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 06:15:00,998 INFO L208 MainTranslator]: Completed translation [2021-02-24 06:15:00,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00 WrapperNode [2021-02-24 06:15:00,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 06:15:01,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 06:15:01,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 06:15:01,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 06:15:01,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:01,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:01,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:01,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:02,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:02,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:02,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... [2021-02-24 06:15:02,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 06:15:02,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 06:15:02,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 06:15:02,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 06:15:02,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 06:15:02,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 06:15:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 06:15:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-24 06:15:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-24 06:15:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 06:15:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-02-24 06:15:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_isoc_in [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-24 06:15:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-24 06:15:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-02-24 06:15:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-24 06:15:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-24 06:15:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-24 06:15:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-02-24 06:15:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-02-24 06:15:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-24 06:15:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-02-24 06:15:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-24 06:15:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-24 06:15:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-24 06:15:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-24 06:15:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-24 06:15:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-24 06:15:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_write_reg [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_read_reg [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_start_stream [2021-02-24 06:15:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_stop_stream [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_initialise [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_isoc_handler [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_iso [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_clean_iso [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_siobuf [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_sio_buffers [2021-02-24 06:15:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_sio_buffers [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_allocate_buffers [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_buffers [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_open [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_release [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_read [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_read [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_poll [2021-02-24 06:15:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_open [2021-02-24 06:15:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_close [2021-02-24 06:15:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_mmap [2021-02-24 06:15:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querycap [2021-02-24 06:15:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_input [2021-02-24 06:15:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_input [2021-02-24 06:15:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_input [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_s_ctrl [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_fmt_vid_cap [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_try_fmt_vid_cap [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_try_fmt_vid_cap [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_format [2021-02-24 06:15:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_fmt_vid_cap [2021-02-24 06:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_reqbufs [2021-02-24 06:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querybuf [2021-02-24 06:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_qbuf [2021-02-24 06:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_dqbuf [2021-02-24 06:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamon [2021-02-24 06:15:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamoff [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_parm [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_framesizes [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_dev_release [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_register_video_device [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_probe [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_disconnect [2021-02-24 06:15:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_suspend [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_resume [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_init [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_exit [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_6 [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-24 06:15:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-24 06:15:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 06:15:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-24 06:15:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-24 06:15:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-24 06:15:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2021-02-24 06:15:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_8 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_9 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_10 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_11 [2021-02-24 06:15:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_outb [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_inb [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_write_regvals [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_sleep [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_wakeup [2021-02-24 06:15:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_init [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_hw [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_configure [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_brightness [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-24 06:15:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-24 06:15:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-24 06:15:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-24 06:15:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-24 06:15:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-24 06:15:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-24 06:15:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-24 06:15:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-24 06:15:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-24 06:15:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_vmalloc_range [2021-02-24 06:15:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-24 06:15:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-24 06:15:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-24 06:15:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_user [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-24 06:15:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-24 06:15:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-24 06:15:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-24 06:15:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-24 06:15:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-24 06:15:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 06:15:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-24 06:15:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_isoc_in [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-24 06:15:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-24 06:15:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-24 06:15:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 06:15:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-02-24 06:15:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-02-24 06:15:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-02-24 06:15:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-24 06:15:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-02-24 06:15:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-24 06:15:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_user [2021-02-24 06:15:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure remap_vmalloc_range [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-24 06:15:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_11 [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_10 [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_9 [2021-02-24 06:15:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_8 [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2021-02-24 06:15:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-24 06:15:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-24 06:15:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-24 06:15:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 06:15:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-24 06:15:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_6 [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-24 06:15:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-24 06:15:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-24 06:15:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_write_reg [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_read_reg [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_init [2021-02-24 06:15:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_configure [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_sleep [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_wakeup [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_brightness [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_start_stream [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_stop_stream [2021-02-24 06:15:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_initialise [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_isoc_handler [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_iso [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_clean_iso [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_siobuf [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_sio_buffers [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_sio_buffers [2021-02-24 06:15:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_allocate_buffers [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_buffers [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_open [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_release [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure stk_read [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_read [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_poll [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_open [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_close [2021-02-24 06:15:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_mmap [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querycap [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_input [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_input [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_input [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_s_ctrl [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-24 06:15:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_fmt_vid_cap [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_try_fmt_vid_cap [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_try_fmt_vid_cap [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_format [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_fmt_vid_cap [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_reqbufs [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querybuf [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_qbuf [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_dqbuf [2021-02-24 06:15:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamon [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamoff [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_parm [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_framesizes [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_dev_release [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_register_video_device [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_probe [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_disconnect [2021-02-24 06:15:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_suspend [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_resume [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_init [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_exit [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-24 06:15:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_outb [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_inb [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_write_regvals [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_hw [2021-02-24 06:15:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-24 06:15:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 06:15:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-24 06:15:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-24 06:15:04,024 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-24 06:15:07,913 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-24 06:15:11,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 06:15:11,189 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 06:15:11,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 06:15:11 BoogieIcfgContainer [2021-02-24 06:15:11,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 06:15:11,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 06:15:11,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 06:15:11,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 06:15:11,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 06:14:57" (1/3) ... [2021-02-24 06:15:11,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ffa3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 06:15:11, skipping insertion in model container [2021-02-24 06:15:11,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 06:15:00" (2/3) ... [2021-02-24 06:15:11,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ffa3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 06:15:11, skipping insertion in model container [2021-02-24 06:15:11,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 06:15:11" (3/3) ... [2021-02-24 06:15:11,206 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-24 06:15:11,213 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 06:15:11,221 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 06:15:11,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 06:15:11,270 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 06:15:11,270 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 06:15:11,270 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 06:15:11,270 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 06:15:11,270 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 06:15:11,271 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 06:15:11,271 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 06:15:11,271 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 06:15:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states. [2021-02-24 06:15:11,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2021-02-24 06:15:11,520 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 06:15:11,523 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] [2021-02-24 06:15:11,524 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 06:15:11,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 06:15:11,531 INFO L82 PathProgramCache]: Analyzing trace with hash -2108725052, now seen corresponding path program 1 times [2021-02-24 06:15:11,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 06:15:11,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877175076] [2021-02-24 06:15:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 06:15:11,698 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 06:15:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:13,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:13,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:13,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:13,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:16,257 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 06:15:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:15:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:17,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 06:15:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 06:15:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 06:15:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 06:15:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 06:15:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 06:15:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 06:15:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 06:15:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 06:15:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 06:15:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 06:15:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 06:15:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 06:15:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 06:15:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 06:15:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 06:15:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:18,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:18,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:18,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 06:15:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 06:15:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 06:15:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 06:15:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 06:15:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 06:15:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 06:15:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 06:15:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 06:15:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 06:15:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 06:15:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 06:15:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 06:15:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 06:15:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 06:15:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 06:15:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 06:15:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:15:19,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:15:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2021-02-24 06:15:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2021-02-24 06:15:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-24 06:15:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:15:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:15:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:15:19,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:15:19,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:15:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5121 trivial. 0 not checked. [2021-02-24 06:15:20,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877175076] [2021-02-24 06:15:20,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 06:15:20,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 06:15:20,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733455316] [2021-02-24 06:15:21,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 06:15:21,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 06:15:21,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 06:15:21,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 06:15:21,030 INFO L87 Difference]: Start difference. First operand 7799 states. Second operand 8 states. [2021-02-24 06:15:37,111 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 06:15:40,079 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 714 [2021-02-24 06:17:14,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 06:17:14,582 INFO L93 Difference]: Finished difference Result 15709 states and 17559 transitions. [2021-02-24 06:17:14,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 06:17:14,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1639 [2021-02-24 06:17:14,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 06:17:14,674 INFO L225 Difference]: With dead ends: 15709 [2021-02-24 06:17:14,675 INFO L226 Difference]: Without dead ends: 9010 [2021-02-24 06:17:14,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-02-24 06:17:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9010 states. [2021-02-24 06:17:19,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9010 to 7745. [2021-02-24 06:17:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7745 states. [2021-02-24 06:17:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 8388 transitions. [2021-02-24 06:17:19,137 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 8388 transitions. Word has length 1639 [2021-02-24 06:17:19,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 06:17:19,143 INFO L480 AbstractCegarLoop]: Abstraction has 7745 states and 8388 transitions. [2021-02-24 06:17:19,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 06:17:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 8388 transitions. [2021-02-24 06:17:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2021-02-24 06:17:19,279 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 06:17:19,280 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] [2021-02-24 06:17:19,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 06:17:19,281 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 06:17:19,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 06:17:19,283 INFO L82 PathProgramCache]: Analyzing trace with hash -211752194, now seen corresponding path program 1 times [2021-02-24 06:17:19,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 06:17:19,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694245073] [2021-02-24 06:17:19,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 06:17:19,310 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 06:17:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:20,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:20,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:20,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:20,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:17:20,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:20,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:23,478 WARN L202 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 06:17:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:17:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:23,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:23,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 06:17:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 06:17:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 06:17:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 06:17:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 06:17:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 06:17:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 06:17:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 06:17:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 06:17:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 06:17:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 06:17:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 06:17:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 06:17:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 06:17:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 06:17:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 06:17:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 06:17:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 06:17:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 06:17:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 06:17:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 06:17:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 06:17:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 06:17:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 06:17:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 06:17:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 06:17:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 06:17:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 06:17:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 06:17:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 06:17:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 06:17:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 06:17:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 06:17:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-24 06:17:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-24 06:17:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:24,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:24,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:24,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1634 [2021-02-24 06:17:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:25,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:25,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:25,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:17:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:25,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:25,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:25,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:17:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:17:25,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:17:25,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:17:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5139 trivial. 0 not checked. [2021-02-24 06:17:26,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694245073] [2021-02-24 06:17:26,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 06:17:26,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 06:17:26,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369274330] [2021-02-24 06:17:26,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 06:17:26,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 06:17:26,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 06:17:26,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-24 06:17:26,653 INFO L87 Difference]: Start difference. First operand 7745 states and 8388 transitions. Second operand 7 states. [2021-02-24 06:17:43,718 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 711 [2021-02-24 06:20:00,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 06:20:00,940 INFO L93 Difference]: Finished difference Result 22947 states and 25385 transitions. [2021-02-24 06:20:00,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-24 06:20:00,941 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1651 [2021-02-24 06:20:00,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 06:20:01,041 INFO L225 Difference]: With dead ends: 22947 [2021-02-24 06:20:01,041 INFO L226 Difference]: Without dead ends: 16461 [2021-02-24 06:20:01,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-02-24 06:20:01,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16461 states. [2021-02-24 06:20:09,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16461 to 14108. [2021-02-24 06:20:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14108 states. [2021-02-24 06:20:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14108 states to 14108 states and 15344 transitions. [2021-02-24 06:20:09,356 INFO L78 Accepts]: Start accepts. Automaton has 14108 states and 15344 transitions. Word has length 1651 [2021-02-24 06:20:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 06:20:09,359 INFO L480 AbstractCegarLoop]: Abstraction has 14108 states and 15344 transitions. [2021-02-24 06:20:09,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 06:20:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 14108 states and 15344 transitions. [2021-02-24 06:20:09,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2021-02-24 06:20:09,392 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 06:20:09,393 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] [2021-02-24 06:20:09,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 06:20:09,393 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 06:20:09,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 06:20:09,394 INFO L82 PathProgramCache]: Analyzing trace with hash -745711009, now seen corresponding path program 1 times [2021-02-24 06:20:09,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 06:20:09,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988209665] [2021-02-24 06:20:09,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 06:20:09,416 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 06:20:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:10,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:10,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:10,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:10,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:13,351 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 06:20:13,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:20:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:13,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:13,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 06:20:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 06:20:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 06:20:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 06:20:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 06:20:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 06:20:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 06:20:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 06:20:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 06:20:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 06:20:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 06:20:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 06:20:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 06:20:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 06:20:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 06:20:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 06:20:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 06:20:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 06:20:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 06:20:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 06:20:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 06:20:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 06:20:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 06:20:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 06:20:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 06:20:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 06:20:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 06:20:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 06:20:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 06:20:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 06:20:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 06:20:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 06:20:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 06:20:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:20:14,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:20:14,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:20:14,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-24 06:20:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-24 06:20:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-24 06:20:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:20:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 06:20:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 06:20:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:14,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:20:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:20:14,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:20:14,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:20:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5125 trivial. 0 not checked. [2021-02-24 06:20:16,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988209665] [2021-02-24 06:20:16,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 06:20:16,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 06:20:16,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848307431] [2021-02-24 06:20:16,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 06:20:16,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 06:20:16,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 06:20:16,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-24 06:20:16,634 INFO L87 Difference]: Start difference. First operand 14108 states and 15344 transitions. Second operand 10 states. [2021-02-24 06:20:24,286 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 06:21:33,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 06:21:33,318 INFO L93 Difference]: Finished difference Result 29335 states and 32370 transitions. [2021-02-24 06:21:33,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 06:21:33,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1696 [2021-02-24 06:21:33,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 06:21:33,391 INFO L225 Difference]: With dead ends: 29335 [2021-02-24 06:21:33,392 INFO L226 Difference]: Without dead ends: 16463 [2021-02-24 06:21:33,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-02-24 06:21:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-02-24 06:21:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 14112. [2021-02-24 06:21:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14112 states. [2021-02-24 06:21:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14112 states to 14112 states and 15348 transitions. [2021-02-24 06:21:41,662 INFO L78 Accepts]: Start accepts. Automaton has 14112 states and 15348 transitions. Word has length 1696 [2021-02-24 06:21:41,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 06:21:41,663 INFO L480 AbstractCegarLoop]: Abstraction has 14112 states and 15348 transitions. [2021-02-24 06:21:41,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 06:21:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 14112 states and 15348 transitions. [2021-02-24 06:21:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-24 06:21:41,694 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 06:21:41,695 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] [2021-02-24 06:21:41,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 06:21:41,696 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 06:21:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 06:21:41,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1557834395, now seen corresponding path program 2 times [2021-02-24 06:21:41,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 06:21:41,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611821648] [2021-02-24 06:21:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 06:21:41,714 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 06:21:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:42,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:42,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:42,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:42,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:45,462 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 06:21:45,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:21:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:45,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:45,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 06:21:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 06:21:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 06:21:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 06:21:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 06:21:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 06:21:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 06:21:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 06:21:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 06:21:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 06:21:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 06:21:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 06:21:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 06:21:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 06:21:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 06:21:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 06:21:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 06:21:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 06:21:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 06:21:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 06:21:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 06:21:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 06:21:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 06:21:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 06:21:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 06:21:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 06:21:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 06:21:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 06:21:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 06:21:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 06:21:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 06:21:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 06:21:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 06:21:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:21:46,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:21:46,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:21:46,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:21:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2021-02-24 06:21:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:46,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1606 [2021-02-24 06:21:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:46,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:46,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-24 06:21:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:47,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:47,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:47,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:21:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:47,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:47,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:47,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 06:21:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:47,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:47,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:47,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 06:21:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:47,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:47,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:47,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:21:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:21:47,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:21:47,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:21:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5129 trivial. 0 not checked. [2021-02-24 06:21:48,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611821648] [2021-02-24 06:21:48,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 06:21:48,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 06:21:48,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842166847] [2021-02-24 06:21:48,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 06:21:48,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 06:21:48,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 06:21:48,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-24 06:21:48,754 INFO L87 Difference]: Start difference. First operand 14112 states and 15348 transitions. Second operand 11 states. [2021-02-24 06:21:55,730 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 06:23:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 06:23:01,759 INFO L93 Difference]: Finished difference Result 29343 states and 32378 transitions. [2021-02-24 06:23:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-24 06:23:01,760 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1708 [2021-02-24 06:23:01,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 06:23:01,816 INFO L225 Difference]: With dead ends: 29343 [2021-02-24 06:23:01,817 INFO L226 Difference]: Without dead ends: 16467 [2021-02-24 06:23:01,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-02-24 06:23:01,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-02-24 06:23:10,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 14116. [2021-02-24 06:23:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14116 states. [2021-02-24 06:23:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14116 states to 14116 states and 15352 transitions. [2021-02-24 06:23:10,314 INFO L78 Accepts]: Start accepts. Automaton has 14116 states and 15352 transitions. Word has length 1708 [2021-02-24 06:23:10,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 06:23:10,315 INFO L480 AbstractCegarLoop]: Abstraction has 14116 states and 15352 transitions. [2021-02-24 06:23:10,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 06:23:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 14116 states and 15352 transitions. [2021-02-24 06:23:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2021-02-24 06:23:10,343 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 06:23:10,344 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] [2021-02-24 06:23:10,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 06:23:10,344 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 06:23:10,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 06:23:10,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1341982869, now seen corresponding path program 3 times [2021-02-24 06:23:10,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 06:23:10,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972402283] [2021-02-24 06:23:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 06:23:10,363 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 06:23:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:11,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:11,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:11,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:11,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:14,130 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 06:23:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:23:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:14,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:14,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 06:23:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 06:23:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 06:23:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 06:23:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 06:23:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 06:23:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 06:23:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 06:23:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 06:23:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 06:23:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 06:23:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 06:23:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 06:23:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 06:23:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 06:23:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 06:23:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 06:23:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 06:23:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 06:23:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 06:23:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 06:23:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 06:23:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 06:23:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 06:23:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 06:23:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 06:23:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 06:23:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 06:23:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 06:23:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 06:23:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 06:23:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 06:23:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 06:23:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:23:15,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:23:15,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:23:15,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:23:15,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 06:23:15,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1596 [2021-02-24 06:23:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2021-02-24 06:23:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1660 [2021-02-24 06:23:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:23:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 06:23:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 06:23:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:15,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:23:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:23:15,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:23:15,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:23:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5163 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5133 trivial. 0 not checked. [2021-02-24 06:23:17,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972402283] [2021-02-24 06:23:17,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 06:23:17,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-24 06:23:17,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816873387] [2021-02-24 06:23:17,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 06:23:17,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 06:23:17,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 06:23:17,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-24 06:23:17,818 INFO L87 Difference]: Start difference. First operand 14116 states and 15352 transitions. Second operand 12 states. [2021-02-24 06:23:24,624 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 06:24:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 06:24:37,222 INFO L93 Difference]: Finished difference Result 29351 states and 32386 transitions. [2021-02-24 06:24:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 06:24:37,223 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1720 [2021-02-24 06:24:37,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 06:24:37,277 INFO L225 Difference]: With dead ends: 29351 [2021-02-24 06:24:37,277 INFO L226 Difference]: Without dead ends: 16471 [2021-02-24 06:24:37,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-02-24 06:24:37,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-02-24 06:24:46,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 14120. [2021-02-24 06:24:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14120 states. [2021-02-24 06:24:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14120 states to 14120 states and 15356 transitions. [2021-02-24 06:24:46,338 INFO L78 Accepts]: Start accepts. Automaton has 14120 states and 15356 transitions. Word has length 1720 [2021-02-24 06:24:46,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 06:24:46,340 INFO L480 AbstractCegarLoop]: Abstraction has 14120 states and 15356 transitions. [2021-02-24 06:24:46,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 06:24:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 14120 states and 15356 transitions. [2021-02-24 06:24:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2021-02-24 06:24:46,371 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 06:24:46,372 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 12, 12, 12, 12, 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] [2021-02-24 06:24:46,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 06:24:46,373 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 06:24:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 06:24:46,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1763950705, now seen corresponding path program 4 times [2021-02-24 06:24:46,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 06:24:46,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575650945] [2021-02-24 06:24:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 06:24:46,392 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 06:24:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:47,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:47,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 06:24:47,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:47,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 06:24:47,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:47,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:50,490 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 06:24:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 06:24:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 06:24:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 06:24:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 06:24:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 06:24:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 06:24:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 06:24:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 06:24:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 06:24:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 06:24:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 06:24:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 06:24:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 06:24:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 06:24:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 06:24:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 06:24:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 06:24:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 06:24:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 06:24:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 06:24:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 06:24:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 06:24:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 06:24:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 06:24:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:51,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 06:24:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:51,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 06:24:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 06:24:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 06:24:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 06:24:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 06:24:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 06:24:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 06:24:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 06:24:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 06:24:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 06:24:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-24 06:24:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-24 06:24:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1672 [2021-02-24 06:24:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:24:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 06:24:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 06:24:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:52,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 06:24:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 06:24:52,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 06:24:52,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 06:24:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5175 trivial. 0 not checked. [2021-02-24 06:24:54,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575650945] [2021-02-24 06:24:54,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 06:24:54,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 06:24:54,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068117585] [2021-02-24 06:24:54,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 06:24:54,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 06:24:54,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 06:24:54,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-24 06:24:54,721 INFO L87 Difference]: Start difference. First operand 14120 states and 15356 transitions. Second operand 8 states. [2021-02-24 06:25:05,699 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 06:27:43,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 06:27:43,422 INFO L93 Difference]: Finished difference Result 44300 states and 49151 transitions. [2021-02-24 06:27:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 06:27:43,423 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1732 [2021-02-24 06:27:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 06:27:43,582 INFO L225 Difference]: With dead ends: 44300 [2021-02-24 06:27:43,583 INFO L226 Difference]: Without dead ends: 31451 [2021-02-24 06:27:43,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2021-02-24 06:27:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31451 states.