/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 23:04:35,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 23:04:35,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 23:04:35,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 23:04:35,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 23:04:35,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 23:04:35,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 23:04:35,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 23:04:35,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 23:04:35,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 23:04:35,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 23:04:35,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 23:04:35,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 23:04:35,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 23:04:35,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 23:04:35,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 23:04:35,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 23:04:35,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 23:04:35,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 23:04:35,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 23:04:35,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 23:04:35,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 23:04:35,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 23:04:35,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 23:04:35,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 23:04:35,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 23:04:35,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 23:04:35,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 23:04:35,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 23:04:35,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 23:04:35,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 23:04:35,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 23:04:35,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 23:04:35,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 23:04:35,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 23:04:35,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 23:04:35,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 23:04:35,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 23:04:35,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 23:04:35,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 23:04:35,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 23:04:35,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-21 23:04:35,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 23:04:35,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 23:04:35,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 23:04:35,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 23:04:35,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 23:04:35,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 23:04:35,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 23:04:35,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 23:04:35,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 23:04:35,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 23:04:35,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 23:04:35,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 23:04:35,376 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 23:04:35,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 23:04:35,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 23:04:35,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 23:04:35,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 23:04:35,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 23:04:35,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 23:04:35,377 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 23:04:35,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 23:04:35,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 23:04:35,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 23:04:35,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 23:04:35,804 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 23:04:35,805 INFO L432 ainManager$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--s2255--s2255drv.ko-entry_point.cil.out.i [2021-02-21 23:04:35,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f826049/e7542dbe33fe423880fa68bedd15cada/FLAGa324c7157 [2021-02-21 23:04:36,991 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 23:04:36,992 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--s2255--s2255drv.ko-entry_point.cil.out.i [2021-02-21 23:04:37,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f826049/e7542dbe33fe423880fa68bedd15cada/FLAGa324c7157 [2021-02-21 23:04:37,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f826049/e7542dbe33fe423880fa68bedd15cada [2021-02-21 23:04:37,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 23:04:37,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 23:04:37,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 23:04:37,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 23:04:37,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 23:04:37,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 11:04:37" (1/1) ... [2021-02-21 23:04:37,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5547aa9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:37, skipping insertion in model container [2021-02-21 23:04:37,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 11:04:37" (1/1) ... [2021-02-21 23:04:37,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 23:04:37,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 23:04:38,065 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4320] [2021-02-21 23:04:38,981 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--s2255--s2255drv.ko-entry_point.cil.out.i[154324,154337] [2021-02-21 23:04:40,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 23:04:40,415 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 23:04:40,575 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4320] [2021-02-21 23:04:40,626 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--s2255--s2255drv.ko-entry_point.cil.out.i[154324,154337] [2021-02-21 23:04:41,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 23:04:41,403 INFO L208 MainTranslator]: Completed translation [2021-02-21 23:04:41,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41 WrapperNode [2021-02-21 23:04:41,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 23:04:41,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 23:04:41,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 23:04:41,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 23:04:41,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:41,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:41,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:41,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:42,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:42,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:42,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... [2021-02-21 23:04:42,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 23:04:42,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 23:04:42,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 23:04:42,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 23:04:42,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 23:04:42,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 23:04:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 23:04:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-02-21 23:04:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-21 23:04:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 23:04:42,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-21 23:04:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-02-21 23:04:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-02-21 23:04:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-21 23:04:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-21 23:04:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-21 23:04:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-02-21 23:04:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-21 23:04:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-02-21 23:04:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-21 23:04:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-21 23:04:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-21 23:04:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-21 23:04:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-21 23:04:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-21 23:04:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-21 23:04:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-02-21 23:04:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-21 23:04:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-21 23:04:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-21 23:04:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-21 23:04:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-21 23:04:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 23:04:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-21 23:04:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-21 23:04:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-21 23:04:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-21 23:04:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-21 23:04:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure to_s2255_dev [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_minw [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_minh [2021-02-21 23:04:42,922 INFO L138 BoogieDeclarations]: Found implementation of procedure planar422p_to_yuv_packed [2021-02-21 23:04:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_reset_dsppower [2021-02-21 23:04:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_timer [2021-02-21 23:04:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fwchunk_complete [2021-02-21 23:04:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_got_frame [2021-02-21 23:04:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-02-21 23:04:42,923 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fillbuff [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2021-02-21 23:04:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure res_locked [2021-02-21 23:04:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2021-02-21 23:04:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-02-21 23:04:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-02-21 23:04:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-02-21 23:04:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-02-21 23:04:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_write_config [2021-02-21 23:04:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure get_transfer_size [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_print_cfg [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_set_mode [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_cmd_status [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2021-02-21 23:04:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-02-21 23:04:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-02-21 23:04:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-02-21 23:04:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-02-21 23:04:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_s_ctrl [2021-02-21 23:04:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_jpegcomp [2021-02-21 23:04:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_jpegcomp [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_parm [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_framesizes [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_frameintervals [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __s2255_open [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_open [2021-02-21 23:04:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_poll [2021-02-21 23:04:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_destroy [2021-02-21 23:04:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_release [2021-02-21 23:04:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_mmap_v4l [2021-02-21 23:04:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_video_device_release [2021-02-21 23:04:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_probe_v4l [2021-02-21 23:04:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure save_frame [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_read_video_callback [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_vendor_req [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_get_fx2fw [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_create_sys_buffers [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_release_sys_buffers [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_board_init [2021-02-21 23:04:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_board_shutdown [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pipe_completion [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_start_readpipe [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_start_acquire [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_stop_acquire [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_stop_readpipe [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fwload_start [2021-02-21 23:04:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_probe [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_disconnect [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_driver_init [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_driver_exit [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2021-02-21 23:04:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_videobuf_queue_ops_7 [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_5 [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_6 [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2021-02-21 23:04:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-21 23:04:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-21 23:04:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_4 [2021-02-21 23:04:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-02-21 23:04:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_6 [2021-02-21 23:04:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2021-02-21 23:04:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_8 [2021-02-21 23:04:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2021-02-21 23:04:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2021-02-21 23:04:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2021-02-21 23:04:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2021-02-21 23:04:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2021-02-21 23:04:42,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_17 [2021-02-21 23:04:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_18 [2021-02-21 23:04:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2021-02-21 23:04:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_20 [2021-02-21 23:04:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2021-02-21 23:04:42,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-21 23:04:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-21 23:04:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-21 23:04:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-21 23:04:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-21 23:04:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-21 23:04:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-21 23:04:42,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-21 23:04:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-21 23:04:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-21 23:04:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-21 23:04:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-21 23:04:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-21 23:04:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-21 23:04:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-21 23:04:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-21 23:04:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-21 23:04:42,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-21 23:04:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-21 23:04:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2021-02-21 23:04:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-21 23:04:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-21 23:04:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-02-21 23:04:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-21 23:04:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-21 23:04:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-21 23:04:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-21 23:04:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-21 23:04:42,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_4 [2021-02-21 23:04:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-02-21 23:04:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-02-21 23:04:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-02-21 23:04:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-21 23:04:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-02-21 23:04:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-21 23:04:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-21 23:04:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2021-02-21 23:04:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-21 23:04:42,949 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_mapper [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_poll_stream [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-02-21 23:04:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_is_busy [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_vmalloc [2021-02-21 23:04:42,951 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_vmalloc_free [2021-02-21 23:04:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-02-21 23:04:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-21 23:04:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-21 23:04:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-21 23:04:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-21 23:04:42,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 23:04:42,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-02-21 23:04:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-21 23:04:42,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 23:04:42,956 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-21 23:04:42,957 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_6 [2021-02-21 23:04:42,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_20 [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-21 23:04:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-21 23:04:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-02-21 23:04:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-21 23:04:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_17 [2021-02-21 23:04:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_8 [2021-02-21 23:04:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2021-02-21 23:04:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-02-21 23:04:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-21 23:04:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-21 23:04:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2021-02-21 23:04:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-21 23:04:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2021-02-21 23:04:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_4 [2021-02-21 23:04:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2021-02-21 23:04:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_18 [2021-02-21 23:04:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2021-02-21 23:04:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2021-02-21 23:04:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2021-02-21 23:04:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-21 23:04:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-02-21 23:04:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2021-02-21 23:04:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2021-02-21 23:04:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-21 23:04:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-21 23:04:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-02-21 23:04:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-21 23:04:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-21 23:04:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-21 23:04:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-21 23:04:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-21 23:04:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-21 23:04:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-21 23:04:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-21 23:04:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-21 23:04:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-21 23:04:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 23:04:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-21 23:04:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_videobuf_queue_ops_7 [2021-02-21 23:04:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_5 [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_6 [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_is_busy [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-02-21 23:04:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_poll_stream [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-02-21 23:04:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_mapper [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_vmalloc [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_vmalloc_free [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-21 23:04:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2021-02-21 23:04:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-21 23:04:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure to_s2255_dev [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_start_readpipe [2021-02-21 23:04:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_stop_readpipe [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_start_acquire [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_stop_acquire [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fillbuff [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_set_mode [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_board_shutdown [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fwload_start [2021-02-21 23:04:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_destroy [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_vendor_req [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure norm_minw [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure norm_minh [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure planar422p_to_yuv_packed [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_reset_dsppower [2021-02-21 23:04:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_timer [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fwchunk_complete [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_got_frame [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-02-21 23:04:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure res_locked [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2021-02-21 23:04:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 23:04:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_write_config [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure get_transfer_size [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_print_cfg [2021-02-21 23:04:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_cmd_status [2021-02-21 23:04:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-02-21 23:04:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-02-21 23:04:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2021-02-21 23:04:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-02-21 23:04:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-02-21 23:04:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-02-21 23:04:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-02-21 23:04:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_s_ctrl [2021-02-21 23:04:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_jpegcomp [2021-02-21 23:04:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_jpegcomp [2021-02-21 23:04:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-02-21 23:04:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_parm [2021-02-21 23:04:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_framesizes [2021-02-21 23:04:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_frameintervals [2021-02-21 23:04:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure __s2255_open [2021-02-21 23:04:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_open [2021-02-21 23:04:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_poll [2021-02-21 23:04:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_release [2021-02-21 23:04:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_mmap_v4l [2021-02-21 23:04:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_video_device_release [2021-02-21 23:04:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_probe_v4l [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure save_frame [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_read_video_callback [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_get_fx2fw [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_create_sys_buffers [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_release_sys_buffers [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_board_init [2021-02-21 23:04:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure read_pipe_completion [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_probe [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_disconnect [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_driver_init [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_driver_exit [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-21 23:04:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-21 23:04:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 23:04:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 23:04:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 23:04:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-21 23:04:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-21 23:04:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-21 23:04:42,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-21 23:04:45,317 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-21 23:04:47,869 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-21 23:04:53,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 23:04:53,951 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 23:04:53,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 11:04:53 BoogieIcfgContainer [2021-02-21 23:04:53,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 23:04:53,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 23:04:53,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 23:04:53,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 23:04:53,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 11:04:37" (1/3) ... [2021-02-21 23:04:53,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f191e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 11:04:53, skipping insertion in model container [2021-02-21 23:04:53,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:04:41" (2/3) ... [2021-02-21 23:04:53,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f191e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 11:04:53, skipping insertion in model container [2021-02-21 23:04:53,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 11:04:53" (3/3) ... [2021-02-21 23:04:53,973 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i [2021-02-21 23:04:53,980 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 23:04:53,989 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 23:04:54,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 23:04:54,039 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 23:04:54,039 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 23:04:54,039 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 23:04:54,040 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 23:04:54,040 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 23:04:54,040 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 23:04:54,040 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 23:04:54,040 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 23:04:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states. [2021-02-21 23:04:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2021-02-21 23:04:54,458 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:04:54,461 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:04:54,461 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:04:54,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:04:54,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1609232261, now seen corresponding path program 1 times [2021-02-21 23:04:54,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:04:54,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131950710] [2021-02-21 23:04:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:04:54,724 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:04:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:04:56,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:04:56,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:04:56,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:04:56,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:12,073 WARN L202 SmtUtils]: Spent 15.21 s on a formula simplification that was a NOOP. DAG size: 1594 [2021-02-21 23:05:12,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:05:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:12,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:12,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2021-02-21 23:05:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2021-02-21 23:05:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2021-02-21 23:05:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2021-02-21 23:05:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2021-02-21 23:05:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2021-02-21 23:05:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2021-02-21 23:05:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2021-02-21 23:05:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2021-02-21 23:05:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2021-02-21 23:05:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2021-02-21 23:05:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2021-02-21 23:05:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2021-02-21 23:05:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2021-02-21 23:05:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2021-02-21 23:05:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2021-02-21 23:05:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:13,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:13,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2021-02-21 23:05:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1270 [2021-02-21 23:05:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2021-02-21 23:05:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2021-02-21 23:05:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1315 [2021-02-21 23:05:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2021-02-21 23:05:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2021-02-21 23:05:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2021-02-21 23:05:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2021-02-21 23:05:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2021-02-21 23:05:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2021-02-21 23:05:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2021-02-21 23:05:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1435 [2021-02-21 23:05:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1450 [2021-02-21 23:05:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2021-02-21 23:05:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1480 [2021-02-21 23:05:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1495 [2021-02-21 23:05:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1510 [2021-02-21 23:05:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1525 [2021-02-21 23:05:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2021-02-21 23:05:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1555 [2021-02-21 23:05:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1570 [2021-02-21 23:05:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2021-02-21 23:05:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-21 23:05:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1615 [2021-02-21 23:05:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1618 [2021-02-21 23:05:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:05:14,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:05:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1624 [2021-02-21 23:05:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2021-02-21 23:05:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-21 23:05:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2021-02-21 23:05:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:05:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:14,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:05:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:14,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:14,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8604 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8595 trivial. 0 not checked. [2021-02-21 23:05:16,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131950710] [2021-02-21 23:05:16,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:05:16,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 23:05:16,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410190025] [2021-02-21 23:05:16,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 23:05:16,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:05:16,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 23:05:16,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 23:05:16,633 INFO L87 Difference]: Start difference. First operand 9073 states. Second operand 8 states. [2021-02-21 23:05:31,164 WARN L202 SmtUtils]: Spent 14.46 s on a formula simplification that was a NOOP. DAG size: 1603 [2021-02-21 23:06:12,322 WARN L202 SmtUtils]: Spent 14.65 s on a formula simplification that was a NOOP. DAG size: 1606 [2021-02-21 23:06:27,249 WARN L202 SmtUtils]: Spent 14.84 s on a formula simplification that was a NOOP. DAG size: 1608 [2021-02-21 23:06:41,834 WARN L202 SmtUtils]: Spent 14.43 s on a formula simplification that was a NOOP. DAG size: 1597 [2021-02-21 23:10:02,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:10:02,141 INFO L93 Difference]: Finished difference Result 18560 states and 20812 transitions. [2021-02-21 23:10:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 23:10:02,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1692 [2021-02-21 23:10:02,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:10:02,242 INFO L225 Difference]: With dead ends: 18560 [2021-02-21 23:10:02,242 INFO L226 Difference]: Without dead ends: 10504 [2021-02-21 23:10:02,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 74.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-02-21 23:10:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10504 states. [2021-02-21 23:10:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10504 to 9006. [2021-02-21 23:10:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9006 states. [2021-02-21 23:10:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 9775 transitions. [2021-02-21 23:10:12,802 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 9775 transitions. Word has length 1692 [2021-02-21 23:10:12,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:10:12,806 INFO L480 AbstractCegarLoop]: Abstraction has 9006 states and 9775 transitions. [2021-02-21 23:10:12,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 23:10:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 9775 transitions. [2021-02-21 23:10:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-21 23:10:12,836 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:10:12,838 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:10:12,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 23:10:12,839 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:10:12,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:10:12,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1665073533, now seen corresponding path program 1 times [2021-02-21 23:10:12,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:10:12,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079735399] [2021-02-21 23:10:12,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:10:12,868 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:10:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:14,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:14,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:14,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:14,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:14,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:14,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:28,755 WARN L202 SmtUtils]: Spent 14.36 s on a formula simplification that was a NOOP. DAG size: 1594 [2021-02-21 23:10:28,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:10:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2021-02-21 23:10:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2021-02-21 23:10:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2021-02-21 23:10:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2021-02-21 23:10:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2021-02-21 23:10:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2021-02-21 23:10:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2021-02-21 23:10:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2021-02-21 23:10:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2021-02-21 23:10:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2021-02-21 23:10:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2021-02-21 23:10:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2021-02-21 23:10:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2021-02-21 23:10:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2021-02-21 23:10:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2021-02-21 23:10:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2021-02-21 23:10:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2021-02-21 23:10:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1270 [2021-02-21 23:10:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2021-02-21 23:10:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2021-02-21 23:10:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1315 [2021-02-21 23:10:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2021-02-21 23:10:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2021-02-21 23:10:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2021-02-21 23:10:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2021-02-21 23:10:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2021-02-21 23:10:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2021-02-21 23:10:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2021-02-21 23:10:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1435 [2021-02-21 23:10:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1450 [2021-02-21 23:10:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2021-02-21 23:10:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1480 [2021-02-21 23:10:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1495 [2021-02-21 23:10:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1510 [2021-02-21 23:10:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1525 [2021-02-21 23:10:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2021-02-21 23:10:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1555 [2021-02-21 23:10:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1570 [2021-02-21 23:10:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2021-02-21 23:10:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-21 23:10:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1615 [2021-02-21 23:10:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1618 [2021-02-21 23:10:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1628 [2021-02-21 23:10:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1638 [2021-02-21 23:10:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-21 23:10:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1691 [2021-02-21 23:10:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:10:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:30,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:10:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:30,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:30,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8628 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8628 trivial. 0 not checked. [2021-02-21 23:10:32,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079735399] [2021-02-21 23:10:32,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:10:32,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 23:10:32,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875957526] [2021-02-21 23:10:32,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 23:10:32,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:10:32,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 23:10:32,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 23:10:32,813 INFO L87 Difference]: Start difference. First operand 9006 states and 9775 transitions. Second operand 7 states. [2021-02-21 23:10:48,170 WARN L202 SmtUtils]: Spent 15.32 s on a formula simplification that was a NOOP. DAG size: 1603 [2021-02-21 23:11:31,484 WARN L202 SmtUtils]: Spent 15.30 s on a formula simplification that was a NOOP. DAG size: 1605 [2021-02-21 23:11:49,197 WARN L202 SmtUtils]: Spent 14.42 s on a formula simplification that was a NOOP. DAG size: 1596 [2021-02-21 23:16:56,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:16:56,088 INFO L93 Difference]: Finished difference Result 27270 states and 30245 transitions. [2021-02-21 23:16:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 23:16:56,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1708 [2021-02-21 23:16:56,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:16:56,204 INFO L225 Difference]: With dead ends: 27270 [2021-02-21 23:16:56,205 INFO L226 Difference]: Without dead ends: 19459 [2021-02-21 23:16:56,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 59.9s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-02-21 23:16:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19459 states. [2021-02-21 23:17:19,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19459 to 16686. [2021-02-21 23:17:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16686 states. [2021-02-21 23:17:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16686 states to 16686 states and 18163 transitions. [2021-02-21 23:17:19,206 INFO L78 Accepts]: Start accepts. Automaton has 16686 states and 18163 transitions. Word has length 1708 [2021-02-21 23:17:19,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:17:19,209 INFO L480 AbstractCegarLoop]: Abstraction has 16686 states and 18163 transitions. [2021-02-21 23:17:19,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 23:17:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 16686 states and 18163 transitions. [2021-02-21 23:17:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1755 [2021-02-21 23:17:19,242 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:17:19,243 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:17:19,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 23:17:19,244 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:17:19,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:17:19,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1646266612, now seen corresponding path program 1 times [2021-02-21 23:17:19,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:17:19,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883017179] [2021-02-21 23:17:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:17:19,270 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:17:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:17:20,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:17:20,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:17:20,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:17:20,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1