/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_64.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--cpia2--cpia2.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 03:41:48,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 03:41:48,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 03:41:48,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 03:41:48,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 03:41:48,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 03:41:48,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 03:41:48,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 03:41:48,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 03:41:48,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 03:41:48,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 03:41:48,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 03:41:48,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 03:41:48,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 03:41:48,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 03:41:48,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 03:41:48,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 03:41:48,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 03:41:48,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 03:41:48,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 03:41:48,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 03:41:48,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 03:41:48,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 03:41:48,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 03:41:48,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 03:41:48,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 03:41:48,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 03:41:48,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 03:41:48,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 03:41:48,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 03:41:48,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 03:41:48,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 03:41:48,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 03:41:48,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 03:41:48,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 03:41:48,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 03:41:48,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 03:41:48,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 03:41:48,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 03:41:48,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 03:41:48,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 03:41:48,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_64.epf [2021-02-22 03:41:48,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 03:41:48,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 03:41:48,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 03:41:48,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 03:41:48,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 03:41:48,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 03:41:48,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 03:41:48,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 03:41:48,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 03:41:48,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 03:41:48,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 03:41:48,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 03:41:48,311 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 03:41:48,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 03:41:48,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 03:41:48,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 03:41:48,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 03:41:48,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 03:41:48,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 03:41:48,313 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 03:41:48,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 03:41:48,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 03:41:48,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 03:41:48,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 03:41:48,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 03:41:48,771 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 03:41:48,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--cpia2--cpia2.ko-main.cil.out.i [2021-02-22 03:41:48,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c11baff/fd43622f858e4dd7a489de8bd0ea76ff/FLAGd7bee0c79 [2021-02-22 03:41:50,000 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 03:41:50,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--cpia2--cpia2.ko-main.cil.out.i [2021-02-22 03:41:50,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c11baff/fd43622f858e4dd7a489de8bd0ea76ff/FLAGd7bee0c79 [2021-02-22 03:41:50,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29c11baff/fd43622f858e4dd7a489de8bd0ea76ff [2021-02-22 03:41:50,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 03:41:50,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 03:41:50,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 03:41:50,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 03:41:50,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 03:41:50,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 03:41:50" (1/1) ... [2021-02-22 03:41:50,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@980e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:50, skipping insertion in model container [2021-02-22 03:41:50,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 03:41:50" (1/1) ... [2021-02-22 03:41:50,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 03:41:50,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 03:41:53,175 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--cpia2--cpia2.ko-main.cil.out.i[302833,302846] [2021-02-22 03:41:53,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 03:41:53,419 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 03:41:54,101 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--cpia2--cpia2.ko-main.cil.out.i[302833,302846] [2021-02-22 03:41:54,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 03:41:54,751 INFO L208 MainTranslator]: Completed translation [2021-02-22 03:41:54,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54 WrapperNode [2021-02-22 03:41:54,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 03:41:54,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 03:41:54,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 03:41:54,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 03:41:54,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:54,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:54,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:54,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:55,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:55,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:55,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (1/1) ... [2021-02-22 03:41:55,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 03:41:55,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 03:41:55,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 03:41:55,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 03:41:55,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (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 [2021-02-22 03:41:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 03:41:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 03:41:56,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-22 03:41:56,058 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-22 03:41:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-22 03:41:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-22 03:41:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-22 03:41:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-22 03:41:56,059 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-22 03:41:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-22 03:41:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-02-22 03:41:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular_file [2021-02-22 03:41:56,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_open [2021-02-22 03:41:56,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_close [2021-02-22 03:41:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_v4l_read [2021-02-22 03:41:56,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_v4l_poll [2021-02-22 03:41:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure sync [2021-02-22 03:41:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_querycap [2021-02-22 03:41:56,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_enum_input [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_g_input [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_s_input [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_enum_fmt_vid_cap [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_try_fmt_vid_cap [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_s_fmt_vid_cap [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_g_fmt_vid_cap [2021-02-22 03:41:56,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_cropcap [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_g_parm [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_s_parm [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_enum_framesizes [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_enum_frameintervals [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_s_ctrl [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_g_jpegcomp [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_s_jpegcomp [2021-02-22 03:41:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_reqbufs [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_querybuf [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_qbuf [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure find_earliest_filled_buffer [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_dqbuf [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_streamon [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_streamoff [2021-02-22 03:41:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_mmap [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_camera_struct_v4l [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_camera_release [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_register_camera [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_unregister_camera [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure check_parameters [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_init [2021-02-22 03:41:56,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_exit [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_4 [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2021-02-22 03:41:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_6 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2021-02-22 03:41:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2021-02-22 03:41:56,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2021-02-22 03:41:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_22 [2021-02-22 03:41:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2021-02-22 03:41:56,071 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-22 03:41:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-02-22 03:41:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-22 03:41:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-02-22 03:41:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-22 03:41:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-22 03:41:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-22 03:41:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-02-22 03:41:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-02-22 03:41:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-22 03:41:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-22 03:41:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure process_frame [2021-02-22 03:41:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure add_APPn [2021-02-22 03:41:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure add_COM [2021-02-22 03:41:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_complete [2021-02-22 03:41:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_transfer_mode [2021-02-22 03:41:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_change_streaming_alternate [2021-02-22 03:41:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_alternate [2021-02-22 03:41:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sbufs [2021-02-22 03:41:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure write_packet [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure read_packet [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_transfer_cmd [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_urbs [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_stream_start [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_stream_pause [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_stream_resume [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_stream_stop [2021-02-22 03:41:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_probe [2021-02-22 03:41:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_disconnect [2021-02-22 03:41:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_suspend [2021-02-22 03:41:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_resume [2021-02-22 03:41:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_init [2021-02-22 03:41:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_usb_cleanup [2021-02-22 03:41:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2021-02-22 03:41:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_47 [2021-02-22 03:41:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_48 [2021-02-22 03:41:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_49 [2021-02-22 03:41:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_50 [2021-02-22 03:41:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_51 [2021-02-22 03:41:56,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_52 [2021-02-22 03:41:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_53 [2021-02-22 03:41:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_54 [2021-02-22 03:41:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_55 [2021-02-22 03:41:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_56 [2021-02-22 03:41:56,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_57 [2021-02-22 03:41:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_58 [2021-02-22 03:41:56,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_59 [2021-02-22 03:41:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_60 [2021-02-22 03:41:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_61 [2021-02-22 03:41:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_62 [2021-02-22 03:41:56,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_63 [2021-02-22 03:41:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-02-22 03:41:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-22 03:41:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-22 03:41:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2021-02-22 03:41:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-22 03:41:56,085 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageReserved [2021-02-22 03:41:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ClearPageReserved [2021-02-22 03:41:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-02-22 03:41:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kvirt_to_pa [2021-02-22 03:41:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rvmalloc [2021-02-22 03:41:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rvfree [2021-02-22 03:41:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_do_command [2021-02-22 03:41:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_send_command [2021-02-22 03:41:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_get_version_info [2021-02-22 03:41:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_reset_camera [2021-02-22 03:41:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_high_power [2021-02-22 03:41:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_low_power [2021-02-22 03:41:56,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_send_onebyte_command [2021-02-22 03:41:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure apply_vp_patch [2021-02-22 03:41:56,094 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_user_mode [2021-02-22 03:41:56,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_match_video_size [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_vw_size [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_sensor [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure config_sensor_410 [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure config_sensor_500 [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_all_properties [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_save_camera_state [2021-02-22 03:41:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_flicker_mode [2021-02-22 03:41:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_property_flip [2021-02-22 03:41:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_property_mirror [2021-02-22 03:41:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_gpio [2021-02-22 03:41:56,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_fps [2021-02-22 03:41:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_brightness [2021-02-22 03:41:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_contrast [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_saturation [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_system [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure set_lowlight_boost [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_set_format [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_dbg_dump_registers [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_camera_struct [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_init_camera_struct [2021-02-22 03:41:56,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_init_camera [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_allocate_buffers [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_free_buffers [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_read [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_poll [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cpia2_remap_buffer [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_81 [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_82 [2021-02-22 03:41:56,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_83 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_84 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_85 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_86 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_87 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_88 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_89 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_90 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_91 [2021-02-22 03:41:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2021-02-22 03:41:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-22 03:41:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_v4l2_lock_of_camera_data [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_v4l2_lock_of_camera_data [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_v4l2_lock_of_camera_data [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-02-22 03:41:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-22 03:41:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cpia2_template_probe_3 [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-22 03:41:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-22 03:41:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_cluster [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_grab [2021-02-22 03:41:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-22 03:41:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-22 03:41:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-02-22 03:41:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_put [2021-02-22 03:41:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-22 03:41:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-22 03:41:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-22 03:41:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_is_singular [2021-02-22 03:41:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2021-02-22 03:41:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-22 03:41:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-22 03:41:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-22 03:41:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-22 03:41:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 03:41:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 03:41:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 03:41:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-22 03:41:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_6 [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2021-02-22 03:41:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_4 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2021-02-22 03:41:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_22 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2021-02-22 03:41:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_v4l2_lock_of_camera_data [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-22 03:41:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-22 03:41:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-22 03:41:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_is_singular_file [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-22 03:41:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_cluster [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_grab [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_register_camera [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_unregister_camera [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_camera_release [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_reset_camera [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_low_power [2021-02-22 03:41:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_dbg_dump_registers [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_match_video_size [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_save_camera_state [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_brightness [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_contrast [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_saturation [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_flicker_mode [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_format [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_allocate_buffers [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_free_buffers [2021-02-22 03:41:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_read [2021-02-22 03:41:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_poll [2021-02-22 03:41:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_remap_buffer [2021-02-22 03:41:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_property_flip [2021-02-22 03:41:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_property_mirror [2021-02-22 03:41:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_gpio [2021-02-22 03:41:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_fps [2021-02-22 03:41:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_init [2021-02-22 03:41:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_cleanup [2021-02-22 03:41:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_stream_start [2021-02-22 03:41:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_stream_stop [2021-02-22 03:41:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_open [2021-02-22 03:41:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 03:41:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_close [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_v4l_read [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_v4l_poll [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_querycap [2021-02-22 03:41:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_enum_input [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_g_input [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_s_input [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_enum_fmt_vid_cap [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_try_fmt_vid_cap [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_s_fmt_vid_cap [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_g_fmt_vid_cap [2021-02-22 03:41:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_cropcap [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_g_parm [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_s_parm [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_enum_framesizes [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_enum_frameintervals [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_s_ctrl [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_g_jpegcomp [2021-02-22 03:41:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_s_jpegcomp [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_reqbufs [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_querybuf [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_qbuf [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure find_earliest_filled_buffer [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_dqbuf [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_streamon [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_streamoff [2021-02-22 03:41:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_mmap [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure reset_camera_struct_v4l [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure check_parameters [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_init [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_exit [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cpia2_template_probe_3 [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2021-02-22 03:41:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_50 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_48 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_51 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_53 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_55 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_57 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_59 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_61 [2021-02-22 03:41:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_47 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_49 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_52 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_54 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_56 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_58 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_60 [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-22 03:41:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2021-02-22 03:41:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_62 [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_63 [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-02-22 03:41:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_put [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-02-22 03:41:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_send_command [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_do_command [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_init_camera_struct [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_init_camera [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_transfer_cmd [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_stream_pause [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_stream_resume [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_change_streaming_alternate [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure process_frame [2021-02-22 03:41:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_complete [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_probe [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_disconnect [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_suspend [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_usb_resume [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_sbufs [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure add_APPn [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure add_COM [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure submit_urbs [2021-02-22 03:41:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_alternate [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure configure_transfer_mode [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure write_packet [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure read_packet [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_84 [2021-02-22 03:41:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_82 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_85 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_87 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_89 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_90 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_81 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_83 [2021-02-22 03:41:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_86 [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_88 [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_91 [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-22 03:41:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-22 03:41:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageReserved [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure ClearPageReserved [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure apply_vp_patch [2021-02-22 03:41:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_user_mode [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_vw_size [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure configure_sensor [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure config_sensor_410 [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure config_sensor_500 [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_all_properties [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure wake_system [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_lowlight_boost [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure reset_camera_struct [2021-02-22 03:41:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_set_high_power [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure kvirt_to_pa [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure rvmalloc [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure rvfree [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_get_version_info [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure cpia2_send_onebyte_command [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2021-02-22 03:41:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_v4l2_ctrl_handler [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-22 03:41:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_v4l2_lock_of_camera_data [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_v4l2_lock_of_camera_data [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_v4l2_lock_of_camera_data [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 03:41:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 03:41:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-22 03:41:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 03:41:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-22 03:41:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-22 03:41:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-22 03:41:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-22 03:42:08,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 03:42:08,246 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 03:42:08,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 03:42:08 BoogieIcfgContainer [2021-02-22 03:42:08,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 03:42:08,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 03:42:08,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 03:42:08,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 03:42:08,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 03:41:50" (1/3) ... [2021-02-22 03:42:08,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d267a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 03:42:08, skipping insertion in model container [2021-02-22 03:42:08,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:41:54" (2/3) ... [2021-02-22 03:42:08,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d267a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 03:42:08, skipping insertion in model container [2021-02-22 03:42:08,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 03:42:08" (3/3) ... [2021-02-22 03:42:08,266 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--cpia2--cpia2.ko-main.cil.out.i [2021-02-22 03:42:08,277 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 03:42:08,288 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 03:42:08,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 03:42:08,347 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 03:42:08,347 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 03:42:08,347 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 03:42:08,348 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 03:42:08,348 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 03:42:08,348 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 03:42:08,348 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 03:42:08,348 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 03:42:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 9819 states. [2021-02-22 03:42:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2021-02-22 03:42:08,550 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:42:08,552 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 03:42:08,552 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:42:08,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:42:08,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1320030863, now seen corresponding path program 1 times [2021-02-22 03:42:08,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:42:08,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387208614] [2021-02-22 03:42:08,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:42:08,720 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:42:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:09,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:09,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:09,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:09,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:42:09,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:09,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:16,209 WARN L202 SmtUtils]: Spent 6.32 s on a formula simplification that was a NOOP. DAG size: 1006 [2021-02-22 03:42:16,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:42:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2021-02-22 03:42:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 868 [2021-02-22 03:42:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:42:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:42:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-22 03:42:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:42:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-22 03:42:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:42:17,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:42:17,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:42:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-22 03:42:18,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387208614] [2021-02-22 03:42:18,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:42:18,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 03:42:18,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807826001] [2021-02-22 03:42:18,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 03:42:18,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:42:18,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 03:42:18,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-22 03:42:18,484 INFO L87 Difference]: Start difference. First operand 9819 states. Second operand 6 states. [2021-02-22 03:42:32,506 WARN L202 SmtUtils]: Spent 5.99 s on a formula simplification that was a NOOP. DAG size: 1008 [2021-02-22 03:45:40,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:45:40,938 INFO L93 Difference]: Finished difference Result 27112 states and 30629 transitions. [2021-02-22 03:45:40,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 03:45:40,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 906 [2021-02-22 03:45:40,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:45:41,155 INFO L225 Difference]: With dead ends: 27112 [2021-02-22 03:45:41,155 INFO L226 Difference]: Without dead ends: 19248 [2021-02-22 03:45:41,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-02-22 03:45:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19248 states. [2021-02-22 03:45:52,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19248 to 16423. [2021-02-22 03:45:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16423 states. [2021-02-22 03:45:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16423 states to 16423 states and 18088 transitions. [2021-02-22 03:45:52,514 INFO L78 Accepts]: Start accepts. Automaton has 16423 states and 18088 transitions. Word has length 906 [2021-02-22 03:45:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:45:52,520 INFO L480 AbstractCegarLoop]: Abstraction has 16423 states and 18088 transitions. [2021-02-22 03:45:52,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 03:45:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 16423 states and 18088 transitions. [2021-02-22 03:45:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2021-02-22 03:45:52,564 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:45:52,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 03:45:52,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 03:45:52,565 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:45:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:45:52,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1693088889, now seen corresponding path program 1 times [2021-02-22 03:45:52,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:45:52,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227539439] [2021-02-22 03:45:52,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:45:52,600 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:45:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:45:53,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:45:53,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:45:53,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:45:53,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:45:53,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:45:53,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:45:59,211 WARN L202 SmtUtils]: Spent 5.97 s on a formula simplification that was a NOOP. DAG size: 1006 [2021-02-22 03:45:59,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:45:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:45:59,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:45:59,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:46:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2021-02-22 03:46:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:46:00,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:46:00,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:46:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2021-02-22 03:46:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:46:00,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:46:00,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:46:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 03:46:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:46:00,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:46:00,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:46:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:46:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:46:00,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:46:00,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:46:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 03:46:00,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227539439] [2021-02-22 03:46:00,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:46:00,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 03:46:00,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395359881] [2021-02-22 03:46:00,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 03:46:00,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:46:00,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 03:46:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-22 03:46:00,841 INFO L87 Difference]: Start difference. First operand 16423 states and 18088 transitions. Second operand 6 states. [2021-02-22 03:46:15,100 WARN L202 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 1008 [2021-02-22 03:49:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:49:14,081 INFO L93 Difference]: Finished difference Result 49996 states and 56684 transitions. [2021-02-22 03:49:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 03:49:14,082 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 908 [2021-02-22 03:49:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:49:14,400 INFO L225 Difference]: With dead ends: 49996 [2021-02-22 03:49:14,400 INFO L226 Difference]: Without dead ends: 34425 [2021-02-22 03:49:14,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-02-22 03:49:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34425 states. [2021-02-22 03:49:36,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34425 to 27225. [2021-02-22 03:49:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27225 states. [2021-02-22 03:49:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27225 states to 27225 states and 30370 transitions. [2021-02-22 03:49:36,361 INFO L78 Accepts]: Start accepts. Automaton has 27225 states and 30370 transitions. Word has length 908 [2021-02-22 03:49:36,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:49:36,363 INFO L480 AbstractCegarLoop]: Abstraction has 27225 states and 30370 transitions. [2021-02-22 03:49:36,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 03:49:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 27225 states and 30370 transitions. [2021-02-22 03:49:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2021-02-22 03:49:36,403 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:49:36,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 03:49:36,404 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 03:49:36,405 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:49:36,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:49:36,405 INFO L82 PathProgramCache]: Analyzing trace with hash 468013596, now seen corresponding path program 1 times [2021-02-22 03:49:36,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:49:36,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157232584] [2021-02-22 03:49:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:49:36,425 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:49:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:36,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:36,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:36,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:36,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:49:36,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:36,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:42,935 WARN L202 SmtUtils]: Spent 6.03 s on a formula simplification that was a NOOP. DAG size: 1006 [2021-02-22 03:49:42,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:49:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:43,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2021-02-22 03:49:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:43,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2021-02-22 03:49:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:49:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2021-02-22 03:49:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 03:49:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:49:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:49:43,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:49:43,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:49:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-22 03:49:44,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157232584] [2021-02-22 03:49:44,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:49:44,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-22 03:49:44,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965689804] [2021-02-22 03:49:44,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-22 03:49:44,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:49:44,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-22 03:49:44,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-22 03:49:44,458 INFO L87 Difference]: Start difference. First operand 27225 states and 30370 transitions. Second operand 6 states. [2021-02-22 03:49:50,577 WARN L202 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 1008 [2021-02-22 03:52:29,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:52:29,059 INFO L93 Difference]: Finished difference Result 88288 states and 100239 transitions. [2021-02-22 03:52:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 03:52:29,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 926 [2021-02-22 03:52:29,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:52:29,831 INFO L225 Difference]: With dead ends: 88288 [2021-02-22 03:52:29,832 INFO L226 Difference]: Without dead ends: 61915 [2021-02-22 03:52:30,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-02-22 03:52:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61915 states. [2021-02-22 03:53:10,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61915 to 49589. [2021-02-22 03:53:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49589 states. [2021-02-22 03:53:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49589 states to 49589 states and 55328 transitions. [2021-02-22 03:53:10,915 INFO L78 Accepts]: Start accepts. Automaton has 49589 states and 55328 transitions. Word has length 926 [2021-02-22 03:53:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:53:10,916 INFO L480 AbstractCegarLoop]: Abstraction has 49589 states and 55328 transitions. [2021-02-22 03:53:10,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-22 03:53:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 49589 states and 55328 transitions. [2021-02-22 03:53:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2021-02-22 03:53:10,928 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:53:10,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 03:53:11,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 03:53:11,138 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:53:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:53:11,138 INFO L82 PathProgramCache]: Analyzing trace with hash 698738390, now seen corresponding path program 1 times [2021-02-22 03:53:11,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:53:11,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215825348] [2021-02-22 03:53:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:53:11,191 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:53:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:11,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:11,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:11,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:11,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:53:11,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:11,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:53:11,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:11,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:18,203 WARN L202 SmtUtils]: Spent 6.39 s on a formula simplification that was a NOOP. DAG size: 1006 [2021-02-22 03:53:18,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:53:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:18,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:18,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2021-02-22 03:53:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:19,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:19,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2021-02-22 03:53:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:19,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:19,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:53:19,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:53:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:19,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-22 03:53:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:19,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:53:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:19,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:19,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 03:53:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:53:19,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:53:19,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:53:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 03:53:20,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215825348] [2021-02-22 03:53:20,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:53:20,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 03:53:20,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753726249] [2021-02-22 03:53:20,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 03:53:20,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:53:20,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 03:53:20,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-22 03:53:20,144 INFO L87 Difference]: Start difference. First operand 49589 states and 55328 transitions. Second operand 10 states. [2021-02-22 03:53:28,437 WARN L202 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 1008