/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 23:04:45,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 23:04:45,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 23:04:45,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 23:04:45,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 23:04:45,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 23:04:45,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 23:04:45,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 23:04:45,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 23:04:45,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 23:04:45,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 23:04:45,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 23:04:45,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 23:04:45,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 23:04:45,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 23:04:45,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 23:04:45,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 23:04:45,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 23:04:45,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 23:04:45,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 23:04:45,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 23:04:45,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 23:04:45,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 23:04:45,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 23:04:45,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 23:04:45,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 23:04:45,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 23:04:45,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 23:04:45,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 23:04:45,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 23:04:45,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 23:04:45,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 23:04:45,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 23:04:45,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 23:04:45,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 23:04:45,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 23:04:45,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 23:04:45,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 23:04:45,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 23:04:45,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 23:04:45,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 23:04:45,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-21 23:04:45,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 23:04:45,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 23:04:46,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 23:04:46,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 23:04:46,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 23:04:46,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 23:04:46,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 23:04:46,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 23:04:46,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 23:04:46,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 23:04:46,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 23:04:46,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 23:04:46,007 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 23:04:46,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 23:04:46,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 23:04:46,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 23:04:46,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 23:04:46,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 23:04:46,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 23:04:46,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 23:04:46,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 23:04:46,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 23:04:46,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 23:04:46,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 23:04:46,413 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 23:04:46,414 INFO L432 ainManager$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 [2021-02-21 23:04:46,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0acc930/de03126e2f5c4ca88c71631b3f5368b7/FLAGb09f19e48 [2021-02-21 23:04:47,460 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 23:04:47,461 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 [2021-02-21 23:04:47,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0acc930/de03126e2f5c4ca88c71631b3f5368b7/FLAGb09f19e48 [2021-02-21 23:04:47,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c0acc930/de03126e2f5c4ca88c71631b3f5368b7 [2021-02-21 23:04:47,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 23:04:47,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 23:04:47,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 23:04:47,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 23:04:47,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 23:04:47,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 11:04:47" (1/1) ... [2021-02-21 23:04:47,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc6dc56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:47, skipping insertion in model container [2021-02-21 23:04:47,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 11:04:47" (1/1) ... [2021-02-21 23:04:47,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 23:04:48,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 23:04:48,716 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-21 23:04:49,609 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] [2021-02-21 23:04:50,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 23:04:50,661 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 23:04:50,789 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-21 23:04:50,815 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] [2021-02-21 23:04:51,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 23:04:51,541 INFO L208 MainTranslator]: Completed translation [2021-02-21 23:04:51,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51 WrapperNode [2021-02-21 23:04:51,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 23:04:51,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 23:04:51,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 23:04:51,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 23:04:51,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:51,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:51,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:51,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:52,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:52,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:52,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (1/1) ... [2021-02-21 23:04:52,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 23:04:52,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 23:04:52,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 23:04:52,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 23:04:52,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (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 [2021-02-21 23:04:52,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 23:04:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 23:04:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-21 23:04:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-21 23:04:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 23:04:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-02-21 23:04:52,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_isoc_in [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-21 23:04:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-21 23:04:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-02-21 23:04:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-21 23:04:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-21 23:04:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-21 23:04:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-02-21 23:04:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-21 23:04:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-21 23:04:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-21 23:04:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-21 23:04:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-21 23:04:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-21 23:04:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-21 23:04:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-21 23:04:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-21 23:04:52,830 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_write_reg [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_read_reg [2021-02-21 23:04:52,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_start_stream [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_stop_stream [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_initialise [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_isoc_handler [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_iso [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_clean_iso [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_siobuf [2021-02-21 23:04:52,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_sio_buffers [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_sio_buffers [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_allocate_buffers [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_buffers [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_open [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_release [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_read [2021-02-21 23:04:52,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_read [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_poll [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_open [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_close [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_mmap [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querycap [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_input [2021-02-21 23:04:52,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_input [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_input [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_s_ctrl [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_fmt_vid_cap [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_try_fmt_vid_cap [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_try_fmt_vid_cap [2021-02-21 23:04:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_format [2021-02-21 23:04:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_fmt_vid_cap [2021-02-21 23:04:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_reqbufs [2021-02-21 23:04:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querybuf [2021-02-21 23:04:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_qbuf [2021-02-21 23:04:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_dqbuf [2021-02-21 23:04:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamon [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamoff [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_parm [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_framesizes [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_dev_release [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_register_video_device [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_probe [2021-02-21 23:04:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_disconnect [2021-02-21 23:04:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_suspend [2021-02-21 23:04:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_resume [2021-02-21 23:04:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_init [2021-02-21 23:04:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_exit [2021-02-21 23:04:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-21 23:04:52,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_6 [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2021-02-21 23:04:52,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2021-02-21 23:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-21 23:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2021-02-21 23:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_8 [2021-02-21 23:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_9 [2021-02-21 23:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_10 [2021-02-21 23:04:52,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_11 [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_outb [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_inb [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_write_regvals [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_sleep [2021-02-21 23:04:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_wakeup [2021-02-21 23:04:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_init [2021-02-21 23:04:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_hw [2021-02-21 23:04:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_configure [2021-02-21 23:04:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_brightness [2021-02-21 23:04:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-21 23:04:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-21 23:04:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-21 23:04:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2021-02-21 23:04:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-21 23:04:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-21 23:04:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-21 23:04:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-21 23:04:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-21 23:04:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-21 23:04:52,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2021-02-21 23:04:52,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-21 23:04:52,848 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_vmalloc_range [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-21 23:04:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-21 23:04:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-21 23:04:52,851 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-21 23:04:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-21 23:04:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_user [2021-02-21 23:04:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-21 23:04:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-21 23:04:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-21 23:04:52,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-21 23:04:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-21 23:04:52,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-21 23:04:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 23:04:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 23:04:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 23:04:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 23:04:52,853 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-21 23:04:52,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_isoc_in [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-21 23:04:52,855 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-21 23:04:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-02-21 23:04:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-21 23:04:52,858 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-21 23:04:52,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_user [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure remap_vmalloc_range [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-21 23:04:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_11 [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_10 [2021-02-21 23:04:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_9 [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_8 [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-21 23:04:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-21 23:04:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-21 23:04:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-21 23:04:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-21 23:04:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 23:04:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 23:04:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 23:04:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-21 23:04:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-21 23:04:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-21 23:04:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-21 23:04:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_6 [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-21 23:04:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-21 23:04:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-21 23:04:52,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_write_reg [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_read_reg [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_init [2021-02-21 23:04:52,872 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_configure [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_sleep [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_wakeup [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_brightness [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure stk_start_stream [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure stk_stop_stream [2021-02-21 23:04:52,873 INFO L130 BoogieDeclarations]: Found specification of procedure stk_initialise [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure stk_isoc_handler [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_iso [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure stk_clean_iso [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_siobuf [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_sio_buffers [2021-02-21 23:04:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_sio_buffers [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure stk_allocate_buffers [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_buffers [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_open [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_release [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure stk_read [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_read [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_poll [2021-02-21 23:04:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_open [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_close [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_mmap [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querycap [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_input [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_input [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_input [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_s_ctrl [2021-02-21 23:04:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_fmt_vid_cap [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_try_fmt_vid_cap [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_try_fmt_vid_cap [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_format [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_fmt_vid_cap [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_reqbufs [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querybuf [2021-02-21 23:04:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_qbuf [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_dqbuf [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamon [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamoff [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_parm [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_framesizes [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_dev_release [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_register_video_device [2021-02-21 23:04:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_probe [2021-02-21 23:04:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_disconnect [2021-02-21 23:04:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_suspend [2021-02-21 23:04:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_resume [2021-02-21 23:04:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_init [2021-02-21 23:04:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_exit [2021-02-21 23:04:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-21 23:04:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_outb [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_inb [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_write_regvals [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_hw [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-21 23:04:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 23:04:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-21 23:04:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-21 23:04:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 23:04:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 23:04:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-21 23:04:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-21 23:04:55,078 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-21 23:04:59,182 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-21 23:05:02,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 23:05:02,511 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-21 23:05:02,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 11:05:02 BoogieIcfgContainer [2021-02-21 23:05:02,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 23:05:02,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 23:05:02,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 23:05:02,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 23:05:02,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 11:04:47" (1/3) ... [2021-02-21 23:05:02,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd1a03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 11:05:02, skipping insertion in model container [2021-02-21 23:05:02,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:51" (2/3) ... [2021-02-21 23:05:02,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd1a03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 11:05:02, skipping insertion in model container [2021-02-21 23:05:02,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 11:05:02" (3/3) ... [2021-02-21 23:05:02,533 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-21 23:05:02,541 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 23:05:02,549 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 23:05:02,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 23:05:02,607 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 23:05:02,607 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 23:05:02,607 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 23:05:02,607 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 23:05:02,607 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 23:05:02,608 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 23:05:02,608 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 23:05:02,608 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 23:05:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states. [2021-02-21 23:05:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2021-02-21 23:05:02,861 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:05:02,863 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] [2021-02-21 23:05:02,864 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:05:02,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:05:02,871 INFO L82 PathProgramCache]: Analyzing trace with hash -2108725052, now seen corresponding path program 1 times [2021-02-21 23:05:02,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:05:02,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164381218] [2021-02-21 23:05:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:05:03,035 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:05:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:04,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:04,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:04,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:04,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:08,260 WARN L202 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-21 23:05:08,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:05:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:09,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:09,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-21 23:05:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-21 23:05:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-21 23:05:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-21 23:05:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-21 23:05:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-21 23:05:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-21 23:05:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-21 23:05:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-21 23:05:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-21 23:05:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-21 23:05:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-21 23:05:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-21 23:05:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-21 23:05:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-21 23:05:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-21 23:05:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-21 23:05:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-21 23:05:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-21 23:05:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-21 23:05:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-21 23:05:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-21 23:05:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-21 23:05:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:05:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-21 23:05:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-21 23:05:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-21 23:05:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-21 23:05:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-21 23:05:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-21 23:05:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-21 23:05:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-21 23:05:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-21 23:05:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:05:10,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:05:10,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2021-02-21 23:05:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2021-02-21 23:05:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-21 23:05:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:05:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:10,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:05:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:10,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:10,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5121 trivial. 0 not checked. [2021-02-21 23:05:12,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164381218] [2021-02-21 23:05:12,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:05:12,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 23:05:12,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097489554] [2021-02-21 23:05:12,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 23:05:12,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:05:12,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 23:05:12,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 23:05:12,035 INFO L87 Difference]: Start difference. First operand 7799 states. Second operand 8 states. [2021-02-21 23:05:28,829 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-21 23:05:31,929 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 714 [2021-02-21 23:07:08,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:07:08,789 INFO L93 Difference]: Finished difference Result 15709 states and 17559 transitions. [2021-02-21 23:07:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 23:07:08,792 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1639 [2021-02-21 23:07:08,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:07:08,889 INFO L225 Difference]: With dead ends: 15709 [2021-02-21 23:07:08,889 INFO L226 Difference]: Without dead ends: 9010 [2021-02-21 23:07:08,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-02-21 23:07:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9010 states. [2021-02-21 23:07:13,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9010 to 7745. [2021-02-21 23:07:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7745 states. [2021-02-21 23:07:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 8388 transitions. [2021-02-21 23:07:13,417 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 8388 transitions. Word has length 1639 [2021-02-21 23:07:13,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:07:13,422 INFO L480 AbstractCegarLoop]: Abstraction has 7745 states and 8388 transitions. [2021-02-21 23:07:13,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 23:07:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 8388 transitions. [2021-02-21 23:07:13,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2021-02-21 23:07:13,550 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:07:13,552 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] [2021-02-21 23:07:13,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 23:07:13,552 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:07:13,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:07:13,554 INFO L82 PathProgramCache]: Analyzing trace with hash -211752194, now seen corresponding path program 1 times [2021-02-21 23:07:13,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:07:13,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280301144] [2021-02-21 23:07:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:07:13,576 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:07:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:14,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:14,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:14,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:14,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:07:14,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:14,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:17,748 WARN L202 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-21 23:07:17,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:07:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-21 23:07:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-21 23:07:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-21 23:07:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-21 23:07:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-21 23:07:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-21 23:07:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-21 23:07:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-21 23:07:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-21 23:07:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-21 23:07:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-21 23:07:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-21 23:07:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-21 23:07:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-21 23:07:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-21 23:07:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:18,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:18,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:18,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-21 23:07:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-21 23:07:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-21 23:07:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-21 23:07:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-21 23:07:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-21 23:07:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-21 23:07:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-21 23:07:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:07:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-21 23:07:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-21 23:07:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-21 23:07:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-21 23:07:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-21 23:07:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-21 23:07:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-21 23:07:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-21 23:07:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-21 23:07:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-21 23:07:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-21 23:07:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1634 [2021-02-21 23:07:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:07:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:07:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:07:19,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:07:19,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:07:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5139 trivial. 0 not checked. [2021-02-21 23:07:21,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280301144] [2021-02-21 23:07:21,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:07:21,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 23:07:21,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927819622] [2021-02-21 23:07:21,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 23:07:21,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:07:21,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 23:07:21,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-21 23:07:21,223 INFO L87 Difference]: Start difference. First operand 7745 states and 8388 transitions. Second operand 7 states. [2021-02-21 23:07:38,655 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 711 [2021-02-21 23:09:59,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:09:59,273 INFO L93 Difference]: Finished difference Result 22947 states and 25385 transitions. [2021-02-21 23:09:59,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-21 23:09:59,276 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1651 [2021-02-21 23:09:59,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:09:59,376 INFO L225 Difference]: With dead ends: 22947 [2021-02-21 23:09:59,376 INFO L226 Difference]: Without dead ends: 16461 [2021-02-21 23:09:59,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-02-21 23:09:59,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16461 states. [2021-02-21 23:10:07,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16461 to 14108. [2021-02-21 23:10:07,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14108 states. [2021-02-21 23:10:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14108 states to 14108 states and 15344 transitions. [2021-02-21 23:10:07,470 INFO L78 Accepts]: Start accepts. Automaton has 14108 states and 15344 transitions. Word has length 1651 [2021-02-21 23:10:07,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:10:07,473 INFO L480 AbstractCegarLoop]: Abstraction has 14108 states and 15344 transitions. [2021-02-21 23:10:07,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 23:10:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 14108 states and 15344 transitions. [2021-02-21 23:10:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2021-02-21 23:10:07,503 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:10:07,505 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] [2021-02-21 23:10:07,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 23:10:07,505 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:10:07,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:10:07,506 INFO L82 PathProgramCache]: Analyzing trace with hash -745711009, now seen corresponding path program 1 times [2021-02-21 23:10:07,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:10:07,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182628678] [2021-02-21 23:10:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:10:07,527 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:10:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:08,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:08,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:08,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:08,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:11,650 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-21 23:10:11,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:10:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-21 23:10:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-21 23:10:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-21 23:10:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-21 23:10:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-21 23:10:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-21 23:10:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-21 23:10:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-21 23:10:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-21 23:10:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-21 23:10:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-21 23:10:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-21 23:10:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-21 23:10:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-21 23:10:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-21 23:10:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-21 23:10:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-21 23:10:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-21 23:10:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-21 23:10:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-21 23:10:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-21 23:10:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-21 23:10:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-21 23:10:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:10:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:12,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:12,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:12,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-21 23:10:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-21 23:10:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-21 23:10:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-21 23:10:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-21 23:10:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-21 23:10:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-21 23:10:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-21 23:10:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-21 23:10:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:13,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:13,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:13,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-21 23:10:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-21 23:10:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-21 23:10:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:10:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 23:10:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 23:10:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:13,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:10:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:13,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:13,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5125 trivial. 0 not checked. [2021-02-21 23:10:15,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182628678] [2021-02-21 23:10:15,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:10:15,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 23:10:15,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535275065] [2021-02-21 23:10:15,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 23:10:15,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:10:15,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 23:10:15,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-21 23:10:15,552 INFO L87 Difference]: Start difference. First operand 14108 states and 15344 transitions. Second operand 10 states. [2021-02-21 23:10:24,117 WARN L202 SmtUtils]: Spent 3.47 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-21 23:11:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:11:36,050 INFO L93 Difference]: Finished difference Result 29335 states and 32370 transitions. [2021-02-21 23:11:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 23:11:36,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1696 [2021-02-21 23:11:36,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:11:36,124 INFO L225 Difference]: With dead ends: 29335 [2021-02-21 23:11:36,124 INFO L226 Difference]: Without dead ends: 16463 [2021-02-21 23:11:36,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-02-21 23:11:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-02-21 23:11:44,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 14112. [2021-02-21 23:11:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14112 states. [2021-02-21 23:11:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14112 states to 14112 states and 15348 transitions. [2021-02-21 23:11:44,362 INFO L78 Accepts]: Start accepts. Automaton has 14112 states and 15348 transitions. Word has length 1696 [2021-02-21 23:11:44,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:11:44,363 INFO L480 AbstractCegarLoop]: Abstraction has 14112 states and 15348 transitions. [2021-02-21 23:11:44,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 23:11:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14112 states and 15348 transitions. [2021-02-21 23:11:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-21 23:11:44,393 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:11:44,394 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] [2021-02-21 23:11:44,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 23:11:44,395 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:11:44,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:11:44,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1557834395, now seen corresponding path program 2 times [2021-02-21 23:11:44,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:11:44,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041645425] [2021-02-21 23:11:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:11:44,415 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:11:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:45,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:45,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:45,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:45,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:48,396 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-21 23:11:48,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:11:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:48,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:48,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-21 23:11:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-21 23:11:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-21 23:11:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-21 23:11:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-21 23:11:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-21 23:11:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-21 23:11:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-21 23:11:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-21 23:11:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-21 23:11:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-21 23:11:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-21 23:11:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-21 23:11:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-21 23:11:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-21 23:11:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-21 23:11:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-21 23:11:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-21 23:11:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-21 23:11:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-21 23:11:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-21 23:11:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-21 23:11:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-21 23:11:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:11:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-21 23:11:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-21 23:11:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-21 23:11:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-21 23:11:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-21 23:11:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-21 23:11:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-21 23:11:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-21 23:11:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-21 23:11:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:11:49,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:11:49,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:11:49,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:11:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2021-02-21 23:11:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1606 [2021-02-21 23:11:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-21 23:11:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:11:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 23:11:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 23:11:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:11:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:11:49,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:11:49,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:11:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5129 trivial. 0 not checked. [2021-02-21 23:11:51,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041645425] [2021-02-21 23:11:51,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:11:51,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 23:11:51,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461131574] [2021-02-21 23:11:51,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 23:11:51,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:11:51,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 23:11:51,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-21 23:11:51,720 INFO L87 Difference]: Start difference. First operand 14112 states and 15348 transitions. Second operand 11 states. [2021-02-21 23:11:59,100 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-21 23:13:08,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:13:08,067 INFO L93 Difference]: Finished difference Result 29343 states and 32378 transitions. [2021-02-21 23:13:08,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 23:13:08,068 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1708 [2021-02-21 23:13:08,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:13:08,131 INFO L225 Difference]: With dead ends: 29343 [2021-02-21 23:13:08,131 INFO L226 Difference]: Without dead ends: 16467 [2021-02-21 23:13:08,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-02-21 23:13:08,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-02-21 23:13:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 14116. [2021-02-21 23:13:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14116 states. [2021-02-21 23:13:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14116 states to 14116 states and 15352 transitions. [2021-02-21 23:13:16,069 INFO L78 Accepts]: Start accepts. Automaton has 14116 states and 15352 transitions. Word has length 1708 [2021-02-21 23:13:16,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:13:16,070 INFO L480 AbstractCegarLoop]: Abstraction has 14116 states and 15352 transitions. [2021-02-21 23:13:16,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 23:13:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 14116 states and 15352 transitions. [2021-02-21 23:13:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2021-02-21 23:13:16,100 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:13:16,101 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] [2021-02-21 23:13:16,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 23:13:16,102 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:13:16,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:13:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1341982869, now seen corresponding path program 3 times [2021-02-21 23:13:16,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:13:16,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959524047] [2021-02-21 23:13:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:13:16,121 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:13:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:16,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:16,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:16,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:16,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:19,984 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-21 23:13:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:13:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:20,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:20,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-21 23:13:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-21 23:13:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-21 23:13:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-21 23:13:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-21 23:13:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-21 23:13:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-21 23:13:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-21 23:13:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-21 23:13:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-21 23:13:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-21 23:13:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-21 23:13:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-21 23:13:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-21 23:13:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-21 23:13:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-21 23:13:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-21 23:13:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-21 23:13:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-21 23:13:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-21 23:13:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-21 23:13:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-21 23:13:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-21 23:13:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:13:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-21 23:13:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-21 23:13:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-21 23:13:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-21 23:13:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-21 23:13:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-21 23:13:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-21 23:13:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-21 23:13:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-21 23:13:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:13:21,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:13:21,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:13:21,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:13:21,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:13:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1596 [2021-02-21 23:13:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2021-02-21 23:13:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1660 [2021-02-21 23:13:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:13:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 23:13:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 23:13:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:21,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:13:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:13:21,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:13:21,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:13:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5163 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5133 trivial. 0 not checked. [2021-02-21 23:13:23,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959524047] [2021-02-21 23:13:23,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:13:23,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 23:13:23,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946957300] [2021-02-21 23:13:23,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 23:13:23,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:13:23,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 23:13:23,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-21 23:13:23,538 INFO L87 Difference]: Start difference. First operand 14116 states and 15352 transitions. Second operand 12 states. [2021-02-21 23:13:30,645 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-21 23:14:42,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:14:42,702 INFO L93 Difference]: Finished difference Result 29351 states and 32386 transitions. [2021-02-21 23:14:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 23:14:42,703 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1720 [2021-02-21 23:14:42,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:14:42,756 INFO L225 Difference]: With dead ends: 29351 [2021-02-21 23:14:42,757 INFO L226 Difference]: Without dead ends: 16471 [2021-02-21 23:14:42,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-02-21 23:14:42,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-02-21 23:14:51,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 14120. [2021-02-21 23:14:51,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14120 states. [2021-02-21 23:14:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14120 states to 14120 states and 15356 transitions. [2021-02-21 23:14:51,727 INFO L78 Accepts]: Start accepts. Automaton has 14120 states and 15356 transitions. Word has length 1720 [2021-02-21 23:14:51,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:14:51,729 INFO L480 AbstractCegarLoop]: Abstraction has 14120 states and 15356 transitions. [2021-02-21 23:14:51,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 23:14:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 14120 states and 15356 transitions. [2021-02-21 23:14:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2021-02-21 23:14:51,758 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:14:51,759 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] [2021-02-21 23:14:51,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 23:14:51,760 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:14:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:14:51,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1763950705, now seen corresponding path program 4 times [2021-02-21 23:14:51,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:14:51,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207890155] [2021-02-21 23:14:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:14:51,779 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:14:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:52,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:52,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 23:14:52,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:52,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 23:14:52,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:52,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:56,193 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-21 23:14:56,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:14:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:56,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:56,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:56,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:56,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 23:14:57,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-21 23:14:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-21 23:14:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-21 23:14:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-21 23:14:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-21 23:14:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-21 23:14:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-21 23:14:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-21 23:14:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-21 23:14:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-21 23:14:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-21 23:14:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-21 23:14:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-21 23:14:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-21 23:14:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-21 23:14:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-21 23:14:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-21 23:14:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-21 23:14:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-21 23:14:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-21 23:14:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-21 23:14:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-21 23:14:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-21 23:14:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:14:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-21 23:14:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-21 23:14:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-21 23:14:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-21 23:14:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-21 23:14:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-21 23:14:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-21 23:14:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-21 23:14:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-21 23:14:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-21 23:14:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-21 23:14:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1672 [2021-02-21 23:14:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:14:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-21 23:14:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 23:14:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:14:57,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:14:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:14:57,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:14:57,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5175 trivial. 0 not checked. [2021-02-21 23:15:00,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207890155] [2021-02-21 23:15:00,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:15:00,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 23:15:00,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896964021] [2021-02-21 23:15:00,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 23:15:00,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:15:00,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 23:15:00,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-21 23:15:00,320 INFO L87 Difference]: Start difference. First operand 14120 states and 15356 transitions. Second operand 8 states. [2021-02-21 23:15:11,885 WARN L202 SmtUtils]: Spent 3.36 s on a formula simplification that was a NOOP. DAG size: 712