/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 23:49:56,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 23:49:56,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 23:49:56,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 23:49:56,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 23:49:56,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 23:49:56,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 23:49:56,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 23:49:56,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 23:49:56,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 23:49:56,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 23:49:56,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 23:49:56,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 23:49:56,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 23:49:56,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 23:49:56,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 23:49:56,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 23:49:56,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 23:49:56,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 23:49:56,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 23:49:56,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 23:49:56,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 23:49:56,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 23:49:56,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 23:49:56,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 23:49:56,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 23:49:56,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 23:49:56,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 23:49:56,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 23:49:57,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 23:49:57,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 23:49:57,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 23:49:57,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 23:49:57,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 23:49:57,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 23:49:57,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 23:49:57,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 23:49:57,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 23:49:57,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 23:49:57,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 23:49:57,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 23:49:57,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_64.epf [2021-02-19 23:49:57,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 23:49:57,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 23:49:57,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 23:49:57,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 23:49:57,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 23:49:57,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 23:49:57,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 23:49:57,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 23:49:57,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 23:49:57,025 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 23:49:57,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 23:49:57,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 23:49:57,026 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-19 23:49:57,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 23:49:57,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 23:49:57,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:49:57,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 23:49:57,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-19 23:49:57,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 23:49:57,028 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-19 23:49:57,028 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 23:49:57,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 23:49:57,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 23:49:57,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 23:49:57,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 23:49:57,427 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 23:49:57,428 INFO L432 ainManager$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 [2021-02-19 23:49:57,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16fdf599f/993102bb218e4bb1ace2fb5d20c505a3/FLAG13d1709e0 [2021-02-19 23:49:58,527 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 23:49:58,528 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 [2021-02-19 23:49:58,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16fdf599f/993102bb218e4bb1ace2fb5d20c505a3/FLAG13d1709e0 [2021-02-19 23:49:58,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16fdf599f/993102bb218e4bb1ace2fb5d20c505a3 [2021-02-19 23:49:58,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 23:49:58,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 23:49:58,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 23:49:58,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 23:49:58,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 23:49:58,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 11:49:58" (1/1) ... [2021-02-19 23:49:58,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e80c001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:49:58, skipping insertion in model container [2021-02-19 23:49:58,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 11:49:58" (1/1) ... [2021-02-19 23:49:58,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 23:49:59,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 23:49:59,737 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2021-02-19 23:50:00,290 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] [2021-02-19 23:50:01,121 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-02-19 23:50:01,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 23:50:01,267 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 23:50:01,372 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2021-02-19 23:50:01,397 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] [2021-02-19 23:50:01,921 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-02-19 23:50:01,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 23:50:02,268 INFO L208 MainTranslator]: Completed translation [2021-02-19 23:50:02,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02 WrapperNode [2021-02-19 23:50:02,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 23:50:02,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 23:50:02,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 23:50:02,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 23:50:02,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:02,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:02,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:02,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:03,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:03,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:03,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... [2021-02-19 23:50:03,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 23:50:03,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 23:50:03,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 23:50:03,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 23:50:03,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:50:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 23:50:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 23:50:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-19 23:50:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-02-19 23:50:03,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-02-19 23:50:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-19 23:50:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-02-19 23:50:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-02-19 23:50:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-02-19 23:50:03,821 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 23:50:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-19 23:50:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-02-19 23:50:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-19 23:50:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-19 23:50:03,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-19 23:50:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-19 23:50:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-02-19 23:50:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-19 23:50:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-19 23:50:03,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-19 23:50:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-19 23:50:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-19 23:50:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-19 23:50:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-19 23:50:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-19 23:50:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-19 23:50:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-19 23:50:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-19 23:50:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-19 23:50:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-19 23:50:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-19 23:50:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-19 23:50:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-19 23:50:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-19 23:50:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-19 23:50:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-19 23:50:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-19 23:50:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-19 23:50:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2021-02-19 23:50:03,827 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-19 23:50:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl_locking [2021-02-19 23:50:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2021-02-19 23:50:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-19 23:50:03,828 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-19 23:50:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-19 23:50:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-19 23:50:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-02-19 23:50:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-02-19 23:50:03,829 INFO L138 BoogieDeclarations]: Found implementation of procedure PDEBUG_MODE [2021-02-19 23:50:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_open [2021-02-19 23:50:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_close [2021-02-19 23:50:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure int_irq [2021-02-19 23:50:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_connect [2021-02-19 23:50:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_and_submit_int_urb [2021-02-19 23:50:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_create_urb [2021-02-19 23:50:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_destroy_urb [2021-02-19 23:50:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_frame [2021-02-19 23:50:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isoc_irq [2021-02-19 23:50:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_irq [2021-02-19 23:50:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-02-19 23:50:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_alloc [2021-02-19 23:50:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_free [2021-02-19 23:50:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_urbs [2021-02-19 23:50:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_alt0 [2021-02-19 23:50:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_stream_off [2021-02-19 23:50:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_xfer [2021-02-19 23:50:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure which_bandwidth [2021-02-19 23:50:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure build_isoc_ep_tb [2021-02-19 23:50:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure create_urbs [2021-02-19 23:50:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init_transfer [2021-02-19 23:50:03,833 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_default_mode [2021-02-19 23:50:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure wxh_to_mode [2021-02-19 23:50:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_get_mode [2021-02-19 23:50:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2021-02-19 23:50:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-02-19 23:50:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-02-19 23:50:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-02-19 23:50:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-02-19 23:50:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure try_fmt_vid_cap [2021-02-19 23:50:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-02-19 23:50:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-02-19 23:50:03,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_framesizes [2021-02-19 23:50:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_frameintervals [2021-02-19 23:50:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_release [2021-02-19 23:50:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_open [2021-02-19 23:50:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-02-19 23:50:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-02-19 23:50:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-02-19 23:50:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-02-19 23:50:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-02-19 23:50:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-02-19 23:50:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-02-19 23:50:03,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-02-19 23:50:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-02-19 23:50:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_jpegcomp [2021-02-19 23:50:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_jpegcomp [2021-02-19 23:50:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-02-19 23:50:03,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_parm [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mmap [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready_nolock [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure read_alloc [2021-02-19 23:50:03,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_poll [2021-02-19 23:50:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_read [2021-02-19 23:50:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_dev_probe2 [2021-02-19 23:50:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_dev_probe [2021-02-19 23:50:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-02-19 23:50:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_suspend [2021-02-19 23:50:03,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-02-19 23:50:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init [2021-02-19 23:50:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_exit [2021-02-19 23:50:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_3 [2021-02-19 23:50:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_4 [2021-02-19 23:50:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_2 [2021-02-19 23:50:03,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 23:50:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-19 23:50:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-19 23:50:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_3 [2021-02-19 23:50:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_4 [2021-02-19 23:50:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-02-19 23:50:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-19 23:50:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2021-02-19 23:50:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2021-02-19 23:50:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2021-02-19 23:50:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2021-02-19 23:50:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2021-02-19 23:50:03,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-02-19 23:50:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_13 [2021-02-19 23:50:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_14 [2021-02-19 23:50:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_expo_autogain [2021-02-19 23:50:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_coarse_grained_expo_autogain [2021-02-19 23:50:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-19 23:50:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-19 23:50:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-19 23:50:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-19 23:50:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-19 23:50:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-19 23:50:03,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-19 23:50:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-19 23:50:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-19 23:50:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-19 23:50:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-19 23:50:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-19 23:50:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-19 23:50:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-19 23:50:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-19 23:50:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-19 23:50:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-19 23:50:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-19 23:50:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-19 23:50:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-19 23:50:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-19 23:50:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-19 23:50:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-19 23:50:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-19 23:50:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-19 23:50:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-02-19 23:50:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-02-19 23:50:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-02-19 23:50:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-02-19 23:50:03,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-19 23:50:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2021-02-19 23:50:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-19 23:50:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-02-19 23:50:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-02-19 23:50:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-19 23:50:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-19 23:50:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-19 23:50:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-19 23:50:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timeval [2021-02-19 23:50:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-19 23:50:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-19 23:50:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-02-19 23:50:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-02-19 23:50:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-02-19 23:50:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-02-19 23:50:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-02-19 23:50:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-02-19 23:50:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-02-19 23:50:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-02-19 23:50:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-19 23:50:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-19 23:50:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-02-19 23:50:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-19 23:50:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-02-19 23:50:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-19 23:50:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-02-19 23:50:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-19 23:50:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-02-19 23:50:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_put [2021-02-19 23:50:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-19 23:50:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-19 23:50:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-19 23:50:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-19 23:50:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-19 23:50:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-19 23:50:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-19 23:50:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-02-19 23:50:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-19 23:50:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-19 23:50:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vm_insert_page [2021-02-19 23:50:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2021-02-19 23:50:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2021-02-19 23:50:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-19 23:50:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-19 23:50:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-19 23:50:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-19 23:50:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-19 23:50:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 23:50:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 23:50:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-19 23:50:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-19 23:50:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 23:50:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 23:50:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-19 23:50:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-19 23:50:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-19 23:50:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-02-19 23:50:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-02-19 23:50:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-19 23:50:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 23:50:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-02-19 23:50:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-19 23:50:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-19 23:50:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-19 23:50:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-19 23:50:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-19 23:50:03,861 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-19 23:50:03,862 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timeval [2021-02-19 23:50:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-02-19 23:50:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-19 23:50:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-19 23:50:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-19 23:50:03,863 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-19 23:50:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-19 23:50:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-19 23:50:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-19 23:50:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-19 23:50:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-19 23:50:03,864 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2021-02-19 23:50:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-19 23:50:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-19 23:50:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-19 23:50:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-02-19 23:50:03,865 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-19 23:50:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 23:50:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-19 23:50:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-19 23:50:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-19 23:50:03,866 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_14 [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_13 [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-02-19 23:50:03,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-19 23:50:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_4 [2021-02-19 23:50:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_3 [2021-02-19 23:50:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2021-02-19 23:50:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-19 23:50:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2021-02-19 23:50:03,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2021-02-19 23:50:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-19 23:50:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-02-19 23:50:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2021-02-19 23:50:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2021-02-19 23:50:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-02-19 23:50:03,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-19 23:50:03,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-19 23:50:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-19 23:50:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-19 23:50:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-19 23:50:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-19 23:50:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-19 23:50:03,871 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 23:50:03,872 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 23:50:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-19 23:50:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-19 23:50:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-19 23:50:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-19 23:50:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-19 23:50:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-19 23:50:03,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_3 [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_4 [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_2 [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure vm_insert_page [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-19 23:50:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-19 23:50:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-19 23:50:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl_locking [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-19 23:50:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_put [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_dev_probe [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_dev_probe2 [2021-02-19 23:50:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_suspend [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-02-19 23:50:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure PDEBUG_MODE [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_open [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_close [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure int_irq [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-02-19 23:50:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_connect [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_and_submit_int_urb [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_create_urb [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_destroy_urb [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure fill_frame [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-02-19 23:50:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure isoc_irq [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_irq [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure frame_alloc [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure frame_free [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_urbs [2021-02-19 23:50:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_alt0 [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_stream_off [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure alt_xfer [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure which_bandwidth [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure build_isoc_ep_tb [2021-02-19 23:50:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure create_urbs [2021-02-19 23:50:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init_transfer [2021-02-19 23:50:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-02-19 23:50:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_default_mode [2021-02-19 23:50:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure wxh_to_mode [2021-02-19 23:50:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_get_mode [2021-02-19 23:50:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure try_fmt_vid_cap [2021-02-19 23:50:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_framesizes [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_frameintervals [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_release [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_open [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-02-19 23:50:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-02-19 23:50:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-02-19 23:50:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-02-19 23:50:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-02-19 23:50:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-02-19 23:50:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-02-19 23:50:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_jpegcomp [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_jpegcomp [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_parm [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mmap [2021-02-19 23:50:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready_nolock [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure read_alloc [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_poll [2021-02-19 23:50:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_read [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_exit [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 23:50:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_expo_autogain [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_coarse_grained_expo_autogain [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-19 23:50:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-02-19 23:50:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 23:50:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-19 23:50:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-19 23:50:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-19 23:50:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-19 23:50:07,169 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-19 23:50:10,670 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-19 23:50:20,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 23:50:20,187 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 23:50:20,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:50:20 BoogieIcfgContainer [2021-02-19 23:50:20,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 23:50:20,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 23:50:20,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 23:50:20,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 23:50:20,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 11:49:58" (1/3) ... [2021-02-19 23:50:20,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b550cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:50:20, skipping insertion in model container [2021-02-19 23:50:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 11:50:02" (2/3) ... [2021-02-19 23:50:20,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b550cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:50:20, skipping insertion in model container [2021-02-19 23:50:20,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:50:20" (3/3) ... [2021-02-19 23:50:20,212 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 [2021-02-19 23:50:20,222 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-19 23:50:20,237 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 23:50:20,258 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 23:50:20,297 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 23:50:20,297 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 23:50:20,401 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-19 23:50:20,401 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 23:50:20,401 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 23:50:20,402 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 23:50:20,402 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 23:50:20,402 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 23:50:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7528 states. [2021-02-19 23:50:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1335 [2021-02-19 23:50:20,655 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 23:50:20,657 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] [2021-02-19 23:50:20,658 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 23:50:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:50:20,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1597635351, now seen corresponding path program 1 times [2021-02-19 23:50:20,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 23:50:20,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591830824] [2021-02-19 23:50:20,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:50:20,827 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 23:50:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:22,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:22,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:22,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:22,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:28,034 WARN L202 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-19 23:50:28,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 23:50:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:28,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:28,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:28,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-19 23:50:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:28,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:28,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:28,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-19 23:50:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:28,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:28,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:28,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-19 23:50:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:28,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:28,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-19 23:50:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-19 23:50:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-19 23:50:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-19 23:50:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-19 23:50:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-19 23:50:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-19 23:50:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-19 23:50:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-19 23:50:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-19 23:50:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-19 23:50:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-19 23:50:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-19 23:50:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-19 23:50:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-19 23:50:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-19 23:50:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-19 23:50:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-19 23:50:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-19 23:50:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-19 23:50:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-19 23:50:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-19 23:50:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-19 23:50:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-19 23:50:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-19 23:50:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-19 23:50:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-19 23:50:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-19 23:50:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-19 23:50:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-19 23:50:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-19 23:50:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-19 23:50:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-19 23:50:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-19 23:50:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-19 23:50:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-19 23:50:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-19 23:50:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-19 23:50:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-19 23:50:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 23:50:29,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 23:50:29,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1298 [2021-02-19 23:50:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2021-02-19 23:50:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:50:29,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:50:29,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:50:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8584 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8581 trivial. 0 not checked. [2021-02-19 23:50:31,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591830824] [2021-02-19 23:50:31,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:50:31,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 23:50:31,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456330584] [2021-02-19 23:50:31,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 23:50:31,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 23:50:31,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 23:50:31,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 23:50:31,607 INFO L87 Difference]: Start difference. First operand 7528 states. Second operand 7 states. [2021-02-19 23:50:37,618 WARN L202 SmtUtils]: Spent 5.97 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-19 23:51:02,398 WARN L202 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-19 23:51:08,848 WARN L202 SmtUtils]: Spent 6.40 s on a formula simplification that was a NOOP. DAG size: 696 [2021-02-19 23:51:15,122 WARN L202 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 688 [2021-02-19 23:51:21,377 WARN L202 SmtUtils]: Spent 6.20 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-19 23:53:23,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 23:53:23,921 INFO L93 Difference]: Finished difference Result 11279 states and 13456 transitions. [2021-02-19 23:53:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:53:23,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1334 [2021-02-19 23:53:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 23:53:24,023 INFO L225 Difference]: With dead ends: 11279 [2021-02-19 23:53:24,023 INFO L226 Difference]: Without dead ends: 7039 [2021-02-19 23:53:24,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 37.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-02-19 23:53:24,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7039 states. [2021-02-19 23:53:27,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7039 to 4872. [2021-02-19 23:53:27,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4872 states. [2021-02-19 23:53:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 5476 transitions. [2021-02-19 23:53:27,635 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 5476 transitions. Word has length 1334 [2021-02-19 23:53:27,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 23:53:27,640 INFO L480 AbstractCegarLoop]: Abstraction has 4872 states and 5476 transitions. [2021-02-19 23:53:27,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 23:53:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5476 transitions. [2021-02-19 23:53:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1343 [2021-02-19 23:53:27,663 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 23:53:27,665 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] [2021-02-19 23:53:27,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 23:53:27,665 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 23:53:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:53:27,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2140900717, now seen corresponding path program 1 times [2021-02-19 23:53:27,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 23:53:27,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950043640] [2021-02-19 23:53:27,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:53:27,688 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 23:53:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:28,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:28,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:28,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:28,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 23:53:28,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:28,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,316 WARN L202 SmtUtils]: Spent 5.89 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-19 23:53:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 23:53:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-19 23:53:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-19 23:53:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-19 23:53:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-19 23:53:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-19 23:53:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-19 23:53:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-19 23:53:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-19 23:53:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-19 23:53:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-19 23:53:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-19 23:53:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-19 23:53:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-19 23:53:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:34,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:34,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-19 23:53:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-19 23:53:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-19 23:53:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-19 23:53:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-19 23:53:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-19 23:53:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-19 23:53:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-19 23:53:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-19 23:53:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-19 23:53:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-19 23:53:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-19 23:53:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-19 23:53:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-19 23:53:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-19 23:53:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-19 23:53:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-19 23:53:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-19 23:53:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-19 23:53:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-19 23:53:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-19 23:53:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-19 23:53:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-19 23:53:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-19 23:53:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-19 23:53:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-19 23:53:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-19 23:53:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-19 23:53:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-19 23:53:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-19 23:53:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1334 [2021-02-19 23:53:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:53:35,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:53:35,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:53:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8588 trivial. 0 not checked. [2021-02-19 23:53:36,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950043640] [2021-02-19 23:53:36,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:53:36,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 23:53:36,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107561725] [2021-02-19 23:53:36,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 23:53:36,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 23:53:36,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 23:53:36,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-19 23:53:36,808 INFO L87 Difference]: Start difference. First operand 4872 states and 5476 transitions. Second operand 6 states. [2021-02-19 23:53:43,138 WARN L202 SmtUtils]: Spent 6.31 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-19 23:54:07,153 WARN L202 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-19 23:54:14,231 WARN L202 SmtUtils]: Spent 6.38 s on a formula simplification that was a NOOP. DAG size: 693 [2021-02-19 23:54:21,006 WARN L202 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 684 [2021-02-19 23:54:54,153 WARN L202 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-19 23:57:45,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 23:57:45,681 INFO L93 Difference]: Finished difference Result 16913 states and 19847 transitions. [2021-02-19 23:57:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:57:45,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1342 [2021-02-19 23:57:45,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 23:57:45,777 INFO L225 Difference]: With dead ends: 16913 [2021-02-19 23:57:45,777 INFO L226 Difference]: Without dead ends: 12903 [2021-02-19 23:57:45,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 37.6s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-02-19 23:57:45,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12903 states. [2021-02-19 23:57:52,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12903 to 8781. [2021-02-19 23:57:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8781 states. [2021-02-19 23:57:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9931 transitions. [2021-02-19 23:57:52,789 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9931 transitions. Word has length 1342 [2021-02-19 23:57:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 23:57:52,794 INFO L480 AbstractCegarLoop]: Abstraction has 8781 states and 9931 transitions. [2021-02-19 23:57:52,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-19 23:57:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9931 transitions. [2021-02-19 23:57:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1352 [2021-02-19 23:57:52,822 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 23:57:52,825 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] [2021-02-19 23:57:52,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 23:57:52,825 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 23:57:52,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:57:52,826 INFO L82 PathProgramCache]: Analyzing trace with hash 98268533, now seen corresponding path program 1 times [2021-02-19 23:57:52,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-19 23:57:52,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666263361] [2021-02-19 23:57:52,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:57:52,850 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-19 23:57:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:53,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:53,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:53,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:53,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 23:57:53,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:53,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 23:57:53,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:53,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,373 WARN L202 SmtUtils]: Spent 5.97 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-19 23:57:59,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 23:57:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-19 23:57:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-19 23:57:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-19 23:57:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-19 23:57:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-19 23:57:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-19 23:57:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:57:59,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:57:59,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:57:59,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-19 23:57:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-19 23:58:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-19 23:58:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-19 23:58:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-19 23:58:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-19 23:58:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-19 23:58:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-19 23:58:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-19 23:58:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-19 23:58:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-19 23:58:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-19 23:58:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-19 23:58:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-19 23:58:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-19 23:58:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-19 23:58:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-19 23:58:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-19 23:58:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-19 23:58:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-19 23:58:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-19 23:58:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-19 23:58:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-19 23:58:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-19 23:58:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-19 23:58:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-19 23:58:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-19 23:58:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-19 23:58:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-19 23:58:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-19 23:58:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-19 23:58:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-19 23:58:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-19 23:58:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-19 23:58:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-19 23:58:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-19 23:58:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-19 23:58:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2021-02-19 23:58:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:58:00,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 23:58:00,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:58:00,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-19 23:58:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8588 trivial. 0 not checked. [2021-02-19 23:58:01,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666263361] [2021-02-19 23:58:01,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:58:01,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 23:58:01,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360974499] [2021-02-19 23:58:01,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 23:58:01,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-19 23:58:01,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 23:58:01,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-19 23:58:01,942 INFO L87 Difference]: Start difference. First operand 8781 states and 9931 transitions. Second operand 8 states. [2021-02-19 23:58:08,127 WARN L202 SmtUtils]: Spent 6.15 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-19 23:58:22,229 WARN L202 SmtUtils]: Spent 6.66 s on a formula simplification that was a NOOP. DAG size: 693 [2021-02-19 23:58:29,686 WARN L202 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 684 [2021-02-19 23:58:47,044 WARN L202 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-19 23:58:54,961 WARN L202 SmtUtils]: Spent 6.37 s on a formula simplification that was a NOOP. DAG size: 696 [2021-02-20 00:01:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-20 00:01:02,044 INFO L93 Difference]: Finished difference Result 20819 states and 24295 transitions. [2021-02-20 00:01:02,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:01:02,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1351 [2021-02-20 00:01:02,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-20 00:01:02,138 INFO L225 Difference]: With dead ends: 20819 [2021-02-20 00:01:02,139 INFO L226 Difference]: Without dead ends: 12900 [2021-02-20 00:01:02,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 38.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-02-20 00:01:02,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2021-02-20 00:01:10,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 8779. [2021-02-20 00:01:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8779 states. [2021-02-20 00:01:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 9926 transitions. [2021-02-20 00:01:11,014 INFO L78 Accepts]: Start accepts. Automaton has 8779 states and 9926 transitions. Word has length 1351 [2021-02-20 00:01:11,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-20 00:01:11,016 INFO L480 AbstractCegarLoop]: Abstraction has 8779 states and 9926 transitions. [2021-02-20 00:01:11,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-20 00:01:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 8779 states and 9926 transitions. [2021-02-20 00:01:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2021-02-20 00:01:11,054 INFO L414 BasicCegarLoop]: Found error trace [2021-02-20 00:01:11,055 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] [2021-02-20 00:01:11,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-20 00:01:11,055 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-20 00:01:11,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:01:11,056 INFO L82 PathProgramCache]: Analyzing trace with hash 892655714, now seen corresponding path program 1 times [2021-02-20 00:01:11,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-20 00:01:11,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324026199] [2021-02-20 00:01:11,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:01:11,083 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-20 00:01:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:11,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:11,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:11,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:11,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:17,628 WARN L202 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-20 00:01:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-20 00:01:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:17,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:17,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-20 00:01:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-20 00:01:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-20 00:01:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-20 00:01:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-20 00:01:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-20 00:01:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-20 00:01:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-20 00:01:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-20 00:01:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-20 00:01:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-20 00:01:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-20 00:01:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-20 00:01:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-20 00:01:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-20 00:01:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-20 00:01:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-20 00:01:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-20 00:01:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-20 00:01:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-20 00:01:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-20 00:01:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-20 00:01:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-20 00:01:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-20 00:01:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-20 00:01:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-20 00:01:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-20 00:01:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-20 00:01:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-20 00:01:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-20 00:01:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-20 00:01:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-20 00:01:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-20 00:01:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-20 00:01:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-20 00:01:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-20 00:01:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-20 00:01:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-20 00:01:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-20 00:01:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-20 00:01:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-20 00:01:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-20 00:01:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-20 00:01:18,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-20 00:01:18,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-20 00:01:18,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-20 00:01:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:18,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:18,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:18,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2021-02-20 00:01:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2021-02-20 00:01:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-20 00:01:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-20 00:01:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-20 00:01:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-20 00:01:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-20 00:01:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-20 00:01:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1447 [2021-02-20 00:01:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-20 00:01:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1468 [2021-02-20 00:01:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-20 00:01:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:19,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1504 [2021-02-20 00:01:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:01:19,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-20 00:01:19,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-20 00:01:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12416 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-20 00:01:20,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324026199] [2021-02-20 00:01:20,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:01:20,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-20 00:01:20,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587011462] [2021-02-20 00:01:20,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-20 00:01:20,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-20 00:01:20,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-20 00:01:20,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-02-20 00:01:20,861 INFO L87 Difference]: Start difference. First operand 8779 states and 9926 transitions. Second operand 11 states. [2021-02-20 00:01:26,907 WARN L202 SmtUtils]: Spent 6.01 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-20 00:01:27,052 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-20 00:01:54,348 WARN L202 SmtUtils]: Spent 5.99 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-20 00:02:00,381 WARN L202 SmtUtils]: Spent 5.98 s on a formula simplification that was a NOOP. DAG size: 688 [2021-02-20 00:02:06,233 WARN L202 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-20 00:02:12,103 WARN L202 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-20 00:02:18,058 WARN L202 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 687