/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--gspca--gspca_main.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 20:34:38,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 20:34:38,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 20:34:38,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 20:34:38,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 20:34:38,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 20:34:38,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 20:34:38,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 20:34:38,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 20:34:38,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 20:34:38,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 20:34:38,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 20:34:38,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 20:34:38,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 20:34:38,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 20:34:38,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 20:34:38,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 20:34:38,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 20:34:38,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 20:34:38,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 20:34:38,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 20:34:38,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 20:34:38,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 20:34:38,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 20:34:38,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 20:34:38,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 20:34:38,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 20:34:38,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 20:34:38,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 20:34:38,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 20:34:38,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 20:34:38,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 20:34:38,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 20:34:38,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 20:34:38,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 20:34:38,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 20:34:38,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 20:34:38,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 20:34:38,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 20:34:38,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 20:34:38,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 20:34:38,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-23 20:34:38,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 20:34:38,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 20:34:38,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 20:34:38,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 20:34:38,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 20:34:38,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 20:34:38,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 20:34:38,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 20:34:38,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 20:34:38,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 20:34:38,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 20:34:38,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 20:34:38,943 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 20:34:38,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 20:34:38,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 20:34:38,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 20:34:38,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 20:34:38,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 20:34:38,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 20:34:38,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 20:34:39,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 20:34:39,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 20:34:39,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 20:34:39,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 20:34:39,376 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 20:34:39,376 INFO L432 ainManager$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--gspca--gspca_main.ko-entry_point.cil.out.i [2021-02-23 20:34:39,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cefbce01d/efe1965e32dc4631ab9f6c8f161c248a/FLAG435f37366 [2021-02-23 20:34:40,417 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 20:34:40,418 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--gspca--gspca_main.ko-entry_point.cil.out.i [2021-02-23 20:34:40,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cefbce01d/efe1965e32dc4631ab9f6c8f161c248a/FLAG435f37366 [2021-02-23 20:34:40,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cefbce01d/efe1965e32dc4631ab9f6c8f161c248a [2021-02-23 20:34:40,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 20:34:40,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 20:34:40,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 20:34:40,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 20:34:40,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 20:34:40,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:34:40" (1/1) ... [2021-02-23 20:34:40,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139fed2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:40, skipping insertion in model container [2021-02-23 20:34:40,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:34:40" (1/1) ... [2021-02-23 20:34:40,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 20:34:41,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 20:34:41,643 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2021-02-23 20:34:42,307 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--gspca--gspca_main.ko-entry_point.cil.out.i[155153,155166] [2021-02-23 20:34:43,231 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-02-23 20:34:43,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:34:43,334 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 20:34:43,495 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2021-02-23 20:34:43,528 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--gspca--gspca_main.ko-entry_point.cil.out.i[155153,155166] [2021-02-23 20:34:44,133 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-02-23 20:34:44,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:34:44,557 INFO L208 MainTranslator]: Completed translation [2021-02-23 20:34:44,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44 WrapperNode [2021-02-23 20:34:44,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 20:34:44,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 20:34:44,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 20:34:44,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 20:34:44,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:44,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:44,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:44,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:45,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:45,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:45,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (1/1) ... [2021-02-23 20:34:45,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 20:34:45,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 20:34:45,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 20:34:45,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 20:34:45,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (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 [2021-02-23 20:34:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 20:34:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 20:34:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-23 20:34:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-02-23 20:34:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-02-23 20:34:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 20:34:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-02-23 20:34:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-02-23 20:34:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-02-23 20:34:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 20:34:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-23 20:34:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-02-23 20:34:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-23 20:34:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-23 20:34:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-23 20:34:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-23 20:34:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-02-23 20:34:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-23 20:34:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-23 20:34:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-23 20:34:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-23 20:34:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-23 20:34:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-23 20:34:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-23 20:34:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-23 20:34:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-23 20:34:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-23 20:34:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-23 20:34:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 20:34:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-23 20:34:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-23 20:34:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-23 20:34:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-23 20:34:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-23 20:34:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-23 20:34:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-23 20:34:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-23 20:34:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-23 20:34:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2021-02-23 20:34:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-23 20:34:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl_locking [2021-02-23 20:34:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2021-02-23 20:34:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-23 20:34:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-23 20:34:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-23 20:34:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-23 20:34:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-02-23 20:34:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-02-23 20:34:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure PDEBUG_MODE [2021-02-23 20:34:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_open [2021-02-23 20:34:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_close [2021-02-23 20:34:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure int_irq [2021-02-23 20:34:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_connect [2021-02-23 20:34:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_and_submit_int_urb [2021-02-23 20:34:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_create_urb [2021-02-23 20:34:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_destroy_urb [2021-02-23 20:34:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_frame [2021-02-23 20:34:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isoc_irq [2021-02-23 20:34:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_irq [2021-02-23 20:34:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-02-23 20:34:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_alloc [2021-02-23 20:34:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_free [2021-02-23 20:34:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_urbs [2021-02-23 20:34:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_alt0 [2021-02-23 20:34:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_stream_off [2021-02-23 20:34:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_xfer [2021-02-23 20:34:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure which_bandwidth [2021-02-23 20:34:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure build_isoc_ep_tb [2021-02-23 20:34:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure create_urbs [2021-02-23 20:34:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init_transfer [2021-02-23 20:34:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_default_mode [2021-02-23 20:34:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure wxh_to_mode [2021-02-23 20:34:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_get_mode [2021-02-23 20:34:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2021-02-23 20:34:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-02-23 20:34:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-02-23 20:34:46,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-02-23 20:34:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-02-23 20:34:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure try_fmt_vid_cap [2021-02-23 20:34:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-02-23 20:34:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-02-23 20:34:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_framesizes [2021-02-23 20:34:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_frameintervals [2021-02-23 20:34:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_release [2021-02-23 20:34:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_open [2021-02-23 20:34:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-02-23 20:34:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-02-23 20:34:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-02-23 20:34:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-02-23 20:34:46,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-02-23 20:34:46,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-02-23 20:34:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-02-23 20:34:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-02-23 20:34:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-02-23 20:34:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_jpegcomp [2021-02-23 20:34:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_jpegcomp [2021-02-23 20:34:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-02-23 20:34:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_parm [2021-02-23 20:34:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mmap [2021-02-23 20:34:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready_nolock [2021-02-23 20:34:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready [2021-02-23 20:34:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-02-23 20:34:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-02-23 20:34:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure read_alloc [2021-02-23 20:34:46,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_poll [2021-02-23 20:34:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_read [2021-02-23 20:34:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_dev_probe2 [2021-02-23 20:34:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_dev_probe [2021-02-23 20:34:46,011 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-02-23 20:34:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_suspend [2021-02-23 20:34:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-02-23 20:34:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init [2021-02-23 20:34:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_exit [2021-02-23 20:34:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_3 [2021-02-23 20:34:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_4 [2021-02-23 20:34:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_2 [2021-02-23 20:34:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 20:34:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-23 20:34:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-23 20:34:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_3 [2021-02-23 20:34:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_4 [2021-02-23 20:34:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-02-23 20:34:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-23 20:34:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2021-02-23 20:34:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2021-02-23 20:34:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2021-02-23 20:34:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2021-02-23 20:34:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2021-02-23 20:34:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-02-23 20:34:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_13 [2021-02-23 20:34:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_14 [2021-02-23 20:34:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_expo_autogain [2021-02-23 20:34:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_coarse_grained_expo_autogain [2021-02-23 20:34:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-23 20:34:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-23 20:34:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-23 20:34:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-23 20:34:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-23 20:34:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-23 20:34:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-23 20:34:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-23 20:34:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-23 20:34:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-23 20:34:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-23 20:34:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-23 20:34:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-23 20:34:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-23 20:34:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-23 20:34:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-23 20:34:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-23 20:34:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-23 20:34:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-23 20:34:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-02-23 20:34:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-02-23 20:34:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-02-23 20:34:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-02-23 20:34:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-23 20:34:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2021-02-23 20:34:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-23 20:34:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-02-23 20:34:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-02-23 20:34:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timeval [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-02-23 20:34:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-23 20:34:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-23 20:34:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-02-23 20:34:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_put [2021-02-23 20:34:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-23 20:34:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-23 20:34:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-23 20:34:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-23 20:34:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vm_insert_page [2021-02-23 20:34:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2021-02-23 20:34:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2021-02-23 20:34:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-23 20:34:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 20:34:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-23 20:34:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 20:34:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-23 20:34:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 20:34:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 20:34:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 20:34:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 20:34:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 20:34:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-23 20:34:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 20:34:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-02-23 20:34:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-23 20:34:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-23 20:34:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-23 20:34:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-23 20:34:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 20:34:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-23 20:34:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timeval [2021-02-23 20:34:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-02-23 20:34:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-23 20:34:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-23 20:34:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-23 20:34:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-23 20:34:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-23 20:34:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-23 20:34:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-23 20:34:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-23 20:34:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-23 20:34:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2021-02-23 20:34:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-23 20:34:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-23 20:34:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-23 20:34:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-02-23 20:34:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-23 20:34:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 20:34:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-23 20:34:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-23 20:34:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-23 20:34:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-02-23 20:34:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-23 20:34:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_14 [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_13 [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_4 [2021-02-23 20:34:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_3 [2021-02-23 20:34:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2021-02-23 20:34:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-23 20:34:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2021-02-23 20:34:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2021-02-23 20:34:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-23 20:34:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-02-23 20:34:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2021-02-23 20:34:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2021-02-23 20:34:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-02-23 20:34:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-23 20:34:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-02-23 20:34:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-02-23 20:34:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-02-23 20:34:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-23 20:34:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-23 20:34:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-23 20:34:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-23 20:34:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_3 [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_4 [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_2 [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure vm_insert_page [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-23 20:34:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-23 20:34:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-23 20:34:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-23 20:34:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-02-23 20:34:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl_locking [2021-02-23 20:34:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2021-02-23 20:34:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-23 20:34:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-23 20:34:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_put [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_dev_probe [2021-02-23 20:34:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_dev_probe2 [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_suspend [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-02-23 20:34:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure PDEBUG_MODE [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_open [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_close [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure int_irq [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-02-23 20:34:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_connect [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_and_submit_int_urb [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_create_urb [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_destroy_urb [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure fill_frame [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure isoc_irq [2021-02-23 20:34:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_irq [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure frame_alloc [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure frame_free [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_urbs [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_alt0 [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_stream_off [2021-02-23 20:34:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure alt_xfer [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure which_bandwidth [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure build_isoc_ep_tb [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure create_urbs [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init_transfer [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_default_mode [2021-02-23 20:34:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure wxh_to_mode [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_get_mode [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure try_fmt_vid_cap [2021-02-23 20:34:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_framesizes [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_frameintervals [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_release [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_open [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-02-23 20:34:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-02-23 20:34:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-02-23 20:34:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-02-23 20:34:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-02-23 20:34:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-02-23 20:34:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-02-23 20:34:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_jpegcomp [2021-02-23 20:34:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_jpegcomp [2021-02-23 20:34:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-02-23 20:34:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_parm [2021-02-23 20:34:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mmap [2021-02-23 20:34:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready_nolock [2021-02-23 20:34:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready [2021-02-23 20:34:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-02-23 20:34:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-02-23 20:34:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure read_alloc [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_poll [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_read [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_exit [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2021-02-23 20:34:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_expo_autogain [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_coarse_grained_expo_autogain [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-23 20:34:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-23 20:34:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-23 20:34:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-23 20:34:47,978 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-23 20:34:50,413 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-23 20:34:55,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 20:34:55,832 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 20:34:55,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:34:55 BoogieIcfgContainer [2021-02-23 20:34:55,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 20:34:55,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 20:34:55,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 20:34:55,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 20:34:55,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 08:34:40" (1/3) ... [2021-02-23 20:34:55,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a36a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:34:55, skipping insertion in model container [2021-02-23 20:34:55,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:44" (2/3) ... [2021-02-23 20:34:55,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a36a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:34:55, skipping insertion in model container [2021-02-23 20:34:55,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:34:55" (3/3) ... [2021-02-23 20:34:55,858 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2021-02-23 20:34:55,866 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 20:34:55,877 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 20:34:55,896 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 20:34:55,922 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 20:34:55,923 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 20:34:55,923 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 20:34:55,923 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 20:34:55,923 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 20:34:55,923 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 20:34:55,923 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 20:34:55,923 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 20:34:56,016 INFO L276 IsEmpty]: Start isEmpty. Operand 7528 states. [2021-02-23 20:34:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1335 [2021-02-23 20:34:56,129 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:34:56,131 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:34:56,132 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:34:56,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:34:56,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1597635351, now seen corresponding path program 1 times [2021-02-23 20:34:56,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:34:56,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116047230] [2021-02-23 20:34:56,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:34:56,301 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:34:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:34:57,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:34:57,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:34:57,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:34:57,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:00,850 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-23 20:35:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:35:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-23 20:35:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-23 20:35:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-23 20:35:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-23 20:35:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-23 20:35:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-23 20:35:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-23 20:35:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-23 20:35:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-23 20:35:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-23 20:35:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-23 20:35:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-23 20:35:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-23 20:35:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-23 20:35:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-23 20:35:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-23 20:35:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-23 20:35:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-23 20:35:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-23 20:35:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-23 20:35:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-23 20:35:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:01,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:01,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:01,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-23 20:35:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-23 20:35:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-23 20:35:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-23 20:35:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-23 20:35:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-23 20:35:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-23 20:35:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-23 20:35:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-23 20:35:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-23 20:35:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-23 20:35:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-23 20:35:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-23 20:35:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-23 20:35:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-23 20:35:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-23 20:35:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-23 20:35:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-23 20:35:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-23 20:35:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-23 20:35:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-23 20:35:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:35:02,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:35:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1298 [2021-02-23 20:35:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:02,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2021-02-23 20:35:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:02,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:02,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 8584 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8581 trivial. 0 not checked. [2021-02-23 20:35:03,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116047230] [2021-02-23 20:35:03,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:35:03,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 20:35:03,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392201767] [2021-02-23 20:35:03,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 20:35:03,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:35:03,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 20:35:03,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 20:35:03,716 INFO L87 Difference]: Start difference. First operand 7528 states. Second operand 7 states. [2021-02-23 20:35:06,656 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-23 20:35:22,259 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-23 20:35:25,061 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 696 [2021-02-23 20:35:27,778 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 688 [2021-02-23 20:35:30,499 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:36:46,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:36:46,127 INFO L93 Difference]: Finished difference Result 11279 states and 13456 transitions. [2021-02-23 20:36:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 20:36:46,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1334 [2021-02-23 20:36:46,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:36:46,206 INFO L225 Difference]: With dead ends: 11279 [2021-02-23 20:36:46,207 INFO L226 Difference]: Without dead ends: 7039 [2021-02-23 20:36:46,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-02-23 20:36:46,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7039 states. [2021-02-23 20:36:49,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7039 to 4872. [2021-02-23 20:36:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4872 states. [2021-02-23 20:36:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 5476 transitions. [2021-02-23 20:36:49,442 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 5476 transitions. Word has length 1334 [2021-02-23 20:36:49,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:36:49,450 INFO L480 AbstractCegarLoop]: Abstraction has 4872 states and 5476 transitions. [2021-02-23 20:36:49,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 20:36:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5476 transitions. [2021-02-23 20:36:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1343 [2021-02-23 20:36:49,473 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:36:49,475 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:36:49,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 20:36:49,476 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:36:49,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:36:49,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2140900717, now seen corresponding path program 1 times [2021-02-23 20:36:49,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:36:49,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327627191] [2021-02-23 20:36:49,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:36:49,505 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:36:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:50,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:50,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:50,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:50,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:36:50,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:50,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:52,898 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-23 20:36:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:36:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-23 20:36:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-23 20:36:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-23 20:36:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-23 20:36:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-23 20:36:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-23 20:36:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-23 20:36:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-23 20:36:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-23 20:36:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-23 20:36:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-23 20:36:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-23 20:36:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-23 20:36:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-23 20:36:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-23 20:36:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-23 20:36:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-23 20:36:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-23 20:36:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-23 20:36:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-23 20:36:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-23 20:36:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-23 20:36:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-23 20:36:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-23 20:36:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-23 20:36:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-23 20:36:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-23 20:36:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-23 20:36:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-23 20:36:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-23 20:36:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-23 20:36:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-23 20:36:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-23 20:36:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-23 20:36:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-23 20:36:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-23 20:36:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-23 20:36:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-23 20:36:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-23 20:36:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:53,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:53,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:53,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-23 20:36:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:54,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:54,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-23 20:36:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:54,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:54,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-23 20:36:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:54,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:54,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:54,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-23 20:36:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:54,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:54,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:54,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1334 [2021-02-23 20:36:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:36:54,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:36:54,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:36:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8588 trivial. 0 not checked. [2021-02-23 20:36:55,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327627191] [2021-02-23 20:36:55,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:36:55,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 20:36:55,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066652989] [2021-02-23 20:36:55,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 20:36:55,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:36:55,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 20:36:55,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 20:36:55,415 INFO L87 Difference]: Start difference. First operand 4872 states and 5476 transitions. Second operand 6 states. [2021-02-23 20:36:58,207 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-23 20:37:11,685 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:37:14,965 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 693 [2021-02-23 20:37:18,132 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 684 [2021-02-23 20:37:37,822 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-23 20:39:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:39:25,535 INFO L93 Difference]: Finished difference Result 16913 states and 19847 transitions. [2021-02-23 20:39:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 20:39:25,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1342 [2021-02-23 20:39:25,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:39:25,625 INFO L225 Difference]: With dead ends: 16913 [2021-02-23 20:39:25,625 INFO L226 Difference]: Without dead ends: 12903 [2021-02-23 20:39:25,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-02-23 20:39:25,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12903 states. [2021-02-23 20:39:32,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12903 to 8781. [2021-02-23 20:39:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8781 states. [2021-02-23 20:39:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9931 transitions. [2021-02-23 20:39:32,242 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9931 transitions. Word has length 1342 [2021-02-23 20:39:32,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:39:32,245 INFO L480 AbstractCegarLoop]: Abstraction has 8781 states and 9931 transitions. [2021-02-23 20:39:32,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 20:39:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9931 transitions. [2021-02-23 20:39:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1352 [2021-02-23 20:39:32,265 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:39:32,266 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:39:32,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 20:39:32,267 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:39:32,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:39:32,268 INFO L82 PathProgramCache]: Analyzing trace with hash 98268533, now seen corresponding path program 1 times [2021-02-23 20:39:32,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:39:32,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041706260] [2021-02-23 20:39:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:39:32,288 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:39:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:32,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:32,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:32,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:32,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:39:32,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:32,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:39:32,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:32,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:35,760 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-23 20:39:35,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:39:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-23 20:39:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-23 20:39:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-23 20:39:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-23 20:39:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-23 20:39:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-23 20:39:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-23 20:39:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-23 20:39:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-23 20:39:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-23 20:39:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-23 20:39:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-23 20:39:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-23 20:39:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-23 20:39:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-23 20:39:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-23 20:39:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-23 20:39:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-23 20:39:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-23 20:39:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-23 20:39:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-23 20:39:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-23 20:39:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-23 20:39:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-23 20:39:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-23 20:39:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-23 20:39:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-23 20:39:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-23 20:39:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-23 20:39:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-23 20:39:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-23 20:39:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-23 20:39:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-23 20:39:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-23 20:39:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-23 20:39:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-23 20:39:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-23 20:39:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-23 20:39:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-23 20:39:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-23 20:39:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-23 20:39:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-23 20:39:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-23 20:39:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2021-02-23 20:39:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:39:36,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:39:36,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:39:36,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 20:39:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8588 trivial. 0 not checked. [2021-02-23 20:39:38,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041706260] [2021-02-23 20:39:38,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:39:38,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 20:39:38,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050725697] [2021-02-23 20:39:38,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 20:39:38,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:39:38,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 20:39:38,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-23 20:39:38,339 INFO L87 Difference]: Start difference. First operand 8781 states and 9931 transitions. Second operand 8 states. [2021-02-23 20:39:41,229 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-23 20:39:49,562 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 693 [2021-02-23 20:39:53,538 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 684 [2021-02-23 20:40:02,847 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-23 20:40:07,151 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 696 [2021-02-23 20:41:35,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:41:35,960 INFO L93 Difference]: Finished difference Result 20819 states and 24295 transitions. [2021-02-23 20:41:35,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 20:41:35,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1351 [2021-02-23 20:41:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:41:36,049 INFO L225 Difference]: With dead ends: 20819 [2021-02-23 20:41:36,049 INFO L226 Difference]: Without dead ends: 12900 [2021-02-23 20:41:36,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-02-23 20:41:36,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2021-02-23 20:41:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 8779. [2021-02-23 20:41:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8779 states. [2021-02-23 20:41:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 9926 transitions. [2021-02-23 20:41:44,038 INFO L78 Accepts]: Start accepts. Automaton has 8779 states and 9926 transitions. Word has length 1351 [2021-02-23 20:41:44,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:41:44,040 INFO L480 AbstractCegarLoop]: Abstraction has 8779 states and 9926 transitions. [2021-02-23 20:41:44,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 20:41:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 8779 states and 9926 transitions. [2021-02-23 20:41:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2021-02-23 20:41:44,083 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:41:44,084 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:41:44,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 20:41:44,084 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:41:44,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:41:44,085 INFO L82 PathProgramCache]: Analyzing trace with hash 892655714, now seen corresponding path program 1 times [2021-02-23 20:41:44,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:41:44,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244349628] [2021-02-23 20:41:44,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:41:44,109 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:41:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:44,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:44,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:44,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:44,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:47,892 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-23 20:41:47,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:41:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-23 20:41:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-23 20:41:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-23 20:41:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-23 20:41:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-23 20:41:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-23 20:41:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-23 20:41:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-23 20:41:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-23 20:41:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-23 20:41:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-23 20:41:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-23 20:41:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-23 20:41:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-23 20:41:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-23 20:41:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-23 20:41:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-23 20:41:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-23 20:41:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-23 20:41:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-23 20:41:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-23 20:41:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-23 20:41:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-23 20:41:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-23 20:41:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-23 20:41:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-23 20:41:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-23 20:41:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-23 20:41:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-23 20:41:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-23 20:41:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-23 20:41:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-23 20:41:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-23 20:41:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-23 20:41:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-23 20:41:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-23 20:41:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:48,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:48,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:48,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-23 20:41:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-23 20:41:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-23 20:41:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-23 20:41:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-23 20:41:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-23 20:41:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:41:49,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:41:49,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:41:49,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-23 20:41:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2021-02-23 20:41:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2021-02-23 20:41:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 20:41:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-23 20:41:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 20:41:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 20:41:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-23 20:41:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 20:41:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1447 [2021-02-23 20:41:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:41:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1468 [2021-02-23 20:41:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:41:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1504 [2021-02-23 20:41:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:49,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:49,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12416 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-23 20:41:50,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244349628] [2021-02-23 20:41:50,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:41:50,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 20:41:50,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523034500] [2021-02-23 20:41:50,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 20:41:50,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:41:50,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 20:41:50,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-02-23 20:41:50,935 INFO L87 Difference]: Start difference. First operand 8779 states and 9926 transitions. Second operand 11 states. [2021-02-23 20:41:53,989 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-23 20:42:10,855 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-23 20:42:13,827 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 688 [2021-02-23 20:42:16,785 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:42:19,826 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:42:22,799 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-23 20:44:00,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:44:00,875 INFO L93 Difference]: Finished difference Result 20840 states and 24365 transitions. [2021-02-23 20:44:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 20:44:00,876 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1512 [2021-02-23 20:44:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:44:00,938 INFO L225 Difference]: With dead ends: 20840 [2021-02-23 20:44:00,938 INFO L226 Difference]: Without dead ends: 12910 [2021-02-23 20:44:00,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2021-02-23 20:44:00,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12910 states. [2021-02-23 20:44:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12910 to 8787. [2021-02-23 20:44:08,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8787 states. [2021-02-23 20:44:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8787 states to 8787 states and 9934 transitions. [2021-02-23 20:44:08,845 INFO L78 Accepts]: Start accepts. Automaton has 8787 states and 9934 transitions. Word has length 1512 [2021-02-23 20:44:08,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:44:08,846 INFO L480 AbstractCegarLoop]: Abstraction has 8787 states and 9934 transitions. [2021-02-23 20:44:08,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 20:44:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 8787 states and 9934 transitions. [2021-02-23 20:44:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2021-02-23 20:44:08,882 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:44:08,883 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:44:08,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 20:44:08,883 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:44:08,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:44:08,884 INFO L82 PathProgramCache]: Analyzing trace with hash -2033223706, now seen corresponding path program 2 times [2021-02-23 20:44:08,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:44:08,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694558576] [2021-02-23 20:44:08,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:44:08,904 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:44:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:09,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:09,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:09,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:09,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,326 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-23 20:44:12,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:44:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-23 20:44:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-23 20:44:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-23 20:44:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-23 20:44:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-23 20:44:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-23 20:44:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-23 20:44:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-23 20:44:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-23 20:44:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-23 20:44:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-23 20:44:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-23 20:44:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-23 20:44:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-23 20:44:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-23 20:44:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-23 20:44:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-23 20:44:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-23 20:44:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-23 20:44:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-23 20:44:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-23 20:44:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-23 20:44:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-23 20:44:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-23 20:44:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-23 20:44:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-23 20:44:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:12,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:12,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:12,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-23 20:44:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-23 20:44:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-23 20:44:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-23 20:44:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-23 20:44:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-23 20:44:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-23 20:44:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-23 20:44:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-23 20:44:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-23 20:44:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-23 20:44:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-23 20:44:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-23 20:44:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-23 20:44:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-23 20:44:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-23 20:44:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:44:13,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:44:13,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:44:13,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:44:13,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1306 [2021-02-23 20:44:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2021-02-23 20:44:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1355 [2021-02-23 20:44:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 20:44:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-23 20:44:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 20:44:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 20:44:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-23 20:44:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 20:44:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:44:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:44:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1476 [2021-02-23 20:44:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:44:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1512 [2021-02-23 20:44:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:44:13,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:44:13,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:44:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12420 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-23 20:44:15,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694558576] [2021-02-23 20:44:15,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:44:15,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 20:44:15,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486789308] [2021-02-23 20:44:15,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 20:44:15,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:44:15,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 20:44:15,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-02-23 20:44:15,086 INFO L87 Difference]: Start difference. First operand 8787 states and 9934 transitions. Second operand 12 states. [2021-02-23 20:44:18,029 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-23 20:44:35,017 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-23 20:44:38,022 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 688 [2021-02-23 20:44:40,898 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:44:43,760 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:44:46,771 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:44:49,649 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-23 20:46:29,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:46:29,402 INFO L93 Difference]: Finished difference Result 20856 states and 24381 transitions. [2021-02-23 20:46:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 20:46:29,402 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1520 [2021-02-23 20:46:29,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:46:29,469 INFO L225 Difference]: With dead ends: 20856 [2021-02-23 20:46:29,469 INFO L226 Difference]: Without dead ends: 12918 [2021-02-23 20:46:29,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 23.9s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2021-02-23 20:46:29,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12918 states. [2021-02-23 20:46:37,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12918 to 8795. [2021-02-23 20:46:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8795 states. [2021-02-23 20:46:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8795 states to 8795 states and 9942 transitions. [2021-02-23 20:46:37,610 INFO L78 Accepts]: Start accepts. Automaton has 8795 states and 9942 transitions. Word has length 1520 [2021-02-23 20:46:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:46:37,611 INFO L480 AbstractCegarLoop]: Abstraction has 8795 states and 9942 transitions. [2021-02-23 20:46:37,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 20:46:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 8795 states and 9942 transitions. [2021-02-23 20:46:37,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1529 [2021-02-23 20:46:37,644 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:46:37,645 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:46:37,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 20:46:37,645 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:46:37,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:46:37,646 INFO L82 PathProgramCache]: Analyzing trace with hash -342076566, now seen corresponding path program 3 times [2021-02-23 20:46:37,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:46:37,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674649205] [2021-02-23 20:46:37,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:46:37,666 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:46:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:38,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:38,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:38,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:38,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,225 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-23 20:46:41,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:46:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-23 20:46:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-23 20:46:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-23 20:46:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-23 20:46:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-23 20:46:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-23 20:46:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-23 20:46:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-23 20:46:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-23 20:46:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-23 20:46:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-23 20:46:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-23 20:46:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-23 20:46:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-23 20:46:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-23 20:46:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-23 20:46:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-23 20:46:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-23 20:46:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-23 20:46:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-23 20:46:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-23 20:46:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-23 20:46:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-23 20:46:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-23 20:46:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-23 20:46:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-23 20:46:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-23 20:46:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-23 20:46:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-23 20:46:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-23 20:46:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-23 20:46:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-23 20:46:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-23 20:46:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-23 20:46:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-23 20:46:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-23 20:46:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-23 20:46:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-23 20:46:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:41,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:41,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:41,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-23 20:46:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-23 20:46:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-23 20:46:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-23 20:46:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:46:42,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:46:42,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:46:42,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:46:42,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:46:42,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2021-02-23 20:46:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1352 [2021-02-23 20:46:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2021-02-23 20:46:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 20:46:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-23 20:46:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 20:46:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 20:46:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-23 20:46:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-23 20:46:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1463 [2021-02-23 20:46:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:46:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1484 [2021-02-23 20:46:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:46:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:42,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1520 [2021-02-23 20:46:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:46:42,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:46:42,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:46:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12424 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-23 20:46:44,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674649205] [2021-02-23 20:46:44,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:46:44,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 20:46:44,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272319209] [2021-02-23 20:46:44,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 20:46:44,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:46:44,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 20:46:44,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-02-23 20:46:44,165 INFO L87 Difference]: Start difference. First operand 8795 states and 9942 transitions. Second operand 13 states. [2021-02-23 20:46:47,106 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-23 20:47:03,612 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-23 20:47:06,475 WARN L202 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 688 [2021-02-23 20:47:09,362 WARN L202 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:47:12,207 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:47:15,263 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:47:18,369 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-23 20:47:21,317 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 687