/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 20:34:53,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 20:34:54,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 20:34:54,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 20:34:54,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 20:34:54,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 20:34:54,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 20:34:54,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 20:34:54,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 20:34:54,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 20:34:54,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 20:34:54,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 20:34:54,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 20:34:54,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 20:34:54,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 20:34:54,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 20:34:54,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 20:34:54,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 20:34:54,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 20:34:54,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 20:34:54,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 20:34:54,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 20:34:54,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 20:34:54,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 20:34:54,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 20:34:54,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 20:34:54,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 20:34:54,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 20:34:54,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 20:34:54,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-02-23 20:34:54,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 20:34:54,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 20:34:54,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 20:34:54,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-23 20:34:54,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 20:34:54,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 20:34:54,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 20:34:54,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 20:34:54,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 20:34:54,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 20:34:54,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 20:34:54,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 20:34:54,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 20:34:54,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 20:34:54,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 20:34:54,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 20:34:54,191 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 20:34:54,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 20:34:54,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 20:34:54,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 20:34:54,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 20:34:54,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 20:34:54,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 20:34:54,193 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 20:34:54,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 20:34:54,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 20:34:54,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 20:34:54,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 20:34:54,644 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 20:34:54,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i [2021-02-23 20:34:54,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c12d6dc1/3e3fb89054184447b0f782cbed6a0969/FLAG909133de4 [2021-02-23 20:34:55,928 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 20:34:55,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i [2021-02-23 20:34:56,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c12d6dc1/3e3fb89054184447b0f782cbed6a0969/FLAG909133de4 [2021-02-23 20:34:56,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c12d6dc1/3e3fb89054184447b0f782cbed6a0969 [2021-02-23 20:34:56,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 20:34:56,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 20:34:56,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 20:34:56,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 20:34:56,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 20:34:56,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:34:56" (1/1) ... [2021-02-23 20:34:56,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f389a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:56, skipping insertion in model container [2021-02-23 20:34:56,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:34:56" (1/1) ... [2021-02-23 20:34:56,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 20:34:56,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 20:34:57,104 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4320] [2021-02-23 20:34:57,866 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i[154324,154337] [2021-02-23 20:34:58,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:34:58,904 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 20:34:59,039 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4320] [2021-02-23 20:34:59,068 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i[154324,154337] [2021-02-23 20:34:59,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:34:59,919 INFO L208 MainTranslator]: Completed translation [2021-02-23 20:34:59,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59 WrapperNode [2021-02-23 20:34:59,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 20:34:59,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 20:34:59,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 20:34:59,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 20:34:59,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:34:59,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:35:00,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:35:00,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:35:01,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:35:01,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:35:01,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... [2021-02-23 20:35:01,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 20:35:01,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 20:35:01,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 20:35:01,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 20:35:01,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 20:35:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 20:35:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 20:35:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-02-23 20:35:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 20:35:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 20:35:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-23 20:35:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-02-23 20:35:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-02-23 20:35:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-23 20:35:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-23 20:35:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-23 20:35:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-02-23 20:35:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-23 20:35:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-02-23 20:35:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-23 20:35:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-23 20:35:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-23 20:35:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-23 20:35:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-23 20:35:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-23 20:35:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-23 20:35:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-02-23 20:35:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-23 20:35:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-23 20:35:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-23 20:35:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-23 20:35:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-23 20:35:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 20:35:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-23 20:35:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-23 20:35:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-23 20:35:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-23 20:35:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-23 20:35:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-23 20:35:01,415 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-23 20:35:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure to_s2255_dev [2021-02-23 20:35:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-02-23 20:35:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-02-23 20:35:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_minw [2021-02-23 20:35:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_minh [2021-02-23 20:35:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure planar422p_to_yuv_packed [2021-02-23 20:35:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_reset_dsppower [2021-02-23 20:35:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_timer [2021-02-23 20:35:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fwchunk_complete [2021-02-23 20:35:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_got_frame [2021-02-23 20:35:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fillbuff [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-02-23 20:35:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure res_locked [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-02-23 20:35:01,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-02-23 20:35:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-02-23 20:35:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-02-23 20:35:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-02-23 20:35:01,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-02-23 20:35:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-02-23 20:35:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_write_config [2021-02-23 20:35:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_transfer_size [2021-02-23 20:35:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_print_cfg [2021-02-23 20:35:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_set_mode [2021-02-23 20:35:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_cmd_status [2021-02-23 20:35:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-02-23 20:35:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-02-23 20:35:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2021-02-23 20:35:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-02-23 20:35:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-02-23 20:35:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-02-23 20:35:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-02-23 20:35:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_s_ctrl [2021-02-23 20:35:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_jpegcomp [2021-02-23 20:35:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_jpegcomp [2021-02-23 20:35:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-02-23 20:35:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_parm [2021-02-23 20:35:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_framesizes [2021-02-23 20:35:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_frameintervals [2021-02-23 20:35:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __s2255_open [2021-02-23 20:35:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_open [2021-02-23 20:35:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_poll [2021-02-23 20:35:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_destroy [2021-02-23 20:35:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_release [2021-02-23 20:35:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_mmap_v4l [2021-02-23 20:35:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_video_device_release [2021-02-23 20:35:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_probe_v4l [2021-02-23 20:35:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure save_frame [2021-02-23 20:35:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_read_video_callback [2021-02-23 20:35:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_vendor_req [2021-02-23 20:35:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_get_fx2fw [2021-02-23 20:35:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_create_sys_buffers [2021-02-23 20:35:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_release_sys_buffers [2021-02-23 20:35:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_board_init [2021-02-23 20:35:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_board_shutdown [2021-02-23 20:35:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pipe_completion [2021-02-23 20:35:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_start_readpipe [2021-02-23 20:35:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_start_acquire [2021-02-23 20:35:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_stop_acquire [2021-02-23 20:35:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_stop_readpipe [2021-02-23 20:35:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_fwload_start [2021-02-23 20:35:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_probe [2021-02-23 20:35:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_disconnect [2021-02-23 20:35:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_driver_init [2021-02-23 20:35:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure s2255_driver_exit [2021-02-23 20:35:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2021-02-23 20:35:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-02-23 20:35:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2021-02-23 20:35:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-02-23 20:35:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_videobuf_queue_ops_7 [2021-02-23 20:35:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_5 [2021-02-23 20:35:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-02-23 20:35:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_6 [2021-02-23 20:35:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 20:35:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_1 [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_4 [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_6 [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2021-02-23 20:35:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_8 [2021-02-23 20:35:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2021-02-23 20:35:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2021-02-23 20:35:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2021-02-23 20:35:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2021-02-23 20:35:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_16 [2021-02-23 20:35:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_17 [2021-02-23 20:35:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_18 [2021-02-23 20:35:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2021-02-23 20:35:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_20 [2021-02-23 20:35:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2021-02-23 20:35:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2021-02-23 20:35:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2021-02-23 20:35:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-23 20:35:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-23 20:35:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-23 20:35:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-23 20:35:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-23 20:35:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-23 20:35:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-23 20:35:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-23 20:35:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2021-02-23 20:35:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-23 20:35:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-23 20:35:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-02-23 20:35:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-23 20:35:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-23 20:35:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-23 20:35:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_4 [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-02-23 20:35:01,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-02-23 20:35:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-23 20:35:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-23 20:35:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-23 20:35:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_mapper [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_poll_stream [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_is_busy [2021-02-23 20:35:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_vmalloc_init [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_vmalloc [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_vmalloc_free [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-23 20:35:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 20:35:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-23 20:35:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 20:35:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-23 20:35:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 20:35:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 20:35:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-23 20:35:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-23 20:35:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-23 20:35:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-23 20:35:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 20:35:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-02-23 20:35:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-23 20:35:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-23 20:35:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-23 20:35:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-23 20:35:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-23 20:35:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-23 20:35:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-02-23 20:35:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-02-23 20:35:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_1 [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_6 [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_20 [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_16 [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-23 20:35:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-23 20:35:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-23 20:35:01,476 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-23 20:35:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-23 20:35:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_17 [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_8 [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-23 20:35:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_4 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_18 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2021-02-23 20:35:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-23 20:35:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-23 20:35:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 20:35:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2021-02-23 20:35:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_videobuf_queue_ops_7 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_5 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_6 [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-02-23 20:35:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_is_busy [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_poll_stream [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-02-23 20:35:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_mapper [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_vmalloc_init [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_vmalloc [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_vmalloc_free [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-23 20:35:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-02-23 20:35:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-23 20:35:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure to_s2255_dev [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_start_readpipe [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_stop_readpipe [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_start_acquire [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_stop_acquire [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fillbuff [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_set_mode [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_board_shutdown [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fwload_start [2021-02-23 20:35:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_destroy [2021-02-23 20:35:01,493 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_vendor_req [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure norm_minw [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure norm_minh [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure planar422p_to_yuv_packed [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_reset_dsppower [2021-02-23 20:35:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_timer [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_fwchunk_complete [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_got_frame [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2021-02-23 20:35:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure res_locked [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-02-23 20:35:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_write_config [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_transfer_size [2021-02-23 20:35:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_print_cfg [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_cmd_status [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-02-23 20:35:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_s_ctrl [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_jpegcomp [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_jpegcomp [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_parm [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_framesizes [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_frameintervals [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure __s2255_open [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_open [2021-02-23 20:35:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_poll [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_release [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_mmap_v4l [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_video_device_release [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_probe_v4l [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure save_frame [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_read_video_callback [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_get_fx2fw [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_create_sys_buffers [2021-02-23 20:35:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_release_sys_buffers [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_board_init [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read_pipe_completion [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_probe [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_disconnect [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_driver_init [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure s2255_driver_exit [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2021-02-23 20:35:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-23 20:35:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 20:35:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 20:35:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 20:35:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-23 20:35:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-23 20:35:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-23 20:35:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-23 20:35:03,813 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-23 20:35:06,264 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-23 20:35:12,761 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 20:35:12,762 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 20:35:12,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:35:12 BoogieIcfgContainer [2021-02-23 20:35:12,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 20:35:12,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 20:35:12,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 20:35:12,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 20:35:12,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 08:34:56" (1/3) ... [2021-02-23 20:35:12,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118519c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:35:12, skipping insertion in model container [2021-02-23 20:35:12,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:34:59" (2/3) ... [2021-02-23 20:35:12,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118519c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:35:12, skipping insertion in model container [2021-02-23 20:35:12,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:35:12" (3/3) ... [2021-02-23 20:35:12,780 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--s2255--s2255drv.ko-entry_point.cil.out.i [2021-02-23 20:35:12,787 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 20:35:12,795 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 20:35:12,814 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 20:35:12,844 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 20:35:12,845 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 20:35:12,845 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 20:35:12,845 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 20:35:12,845 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 20:35:12,845 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 20:35:12,845 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 20:35:12,845 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 20:35:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states. [2021-02-23 20:35:13,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2021-02-23 20:35:13,093 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:35:13,096 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:35:13,097 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:35:13,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:35:13,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1609232261, now seen corresponding path program 1 times [2021-02-23 20:35:13,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:35:13,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195507665] [2021-02-23 20:35:13,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:35:13,299 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:35:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:15,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:15,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:15,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:15,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:30,648 WARN L202 SmtUtils]: Spent 15.20 s on a formula simplification that was a NOOP. DAG size: 1594 [2021-02-23 20:35:30,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:35:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:31,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:31,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2021-02-23 20:35:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2021-02-23 20:35:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2021-02-23 20:35:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2021-02-23 20:35:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2021-02-23 20:35:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2021-02-23 20:35:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2021-02-23 20:35:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2021-02-23 20:35:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2021-02-23 20:35:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2021-02-23 20:35:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2021-02-23 20:35:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2021-02-23 20:35:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2021-02-23 20:35:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2021-02-23 20:35:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2021-02-23 20:35:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2021-02-23 20:35:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2021-02-23 20:35:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1270 [2021-02-23 20:35:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2021-02-23 20:35:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2021-02-23 20:35:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1315 [2021-02-23 20:35:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2021-02-23 20:35:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2021-02-23 20:35:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2021-02-23 20:35:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2021-02-23 20:35:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2021-02-23 20:35:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2021-02-23 20:35:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2021-02-23 20:35:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1435 [2021-02-23 20:35:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1450 [2021-02-23 20:35:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2021-02-23 20:35:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1480 [2021-02-23 20:35:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1495 [2021-02-23 20:35:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1510 [2021-02-23 20:35:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1525 [2021-02-23 20:35:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2021-02-23 20:35:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1555 [2021-02-23 20:35:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1570 [2021-02-23 20:35:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2021-02-23 20:35:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-23 20:35:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1615 [2021-02-23 20:35:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1618 [2021-02-23 20:35:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:35:32,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:35:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1624 [2021-02-23 20:35:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:32,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:32,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1630 [2021-02-23 20:35:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:33,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:33,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:33,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-23 20:35:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:33,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:33,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:33,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1675 [2021-02-23 20:35:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:33,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:33,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:35:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:33,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:33,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:35:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:33,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:33,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8604 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8595 trivial. 0 not checked. [2021-02-23 20:35:34,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195507665] [2021-02-23 20:35:34,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:35:34,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 20:35:34,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091214616] [2021-02-23 20:35:34,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 20:35:34,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:35:34,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 20:35:34,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 20:35:34,988 INFO L87 Difference]: Start difference. First operand 9073 states. Second operand 8 states. [2021-02-23 20:35:49,614 WARN L202 SmtUtils]: Spent 14.56 s on a formula simplification that was a NOOP. DAG size: 1603 [2021-02-23 20:36:29,936 WARN L202 SmtUtils]: Spent 13.84 s on a formula simplification that was a NOOP. DAG size: 1606 [2021-02-23 20:36:43,890 WARN L202 SmtUtils]: Spent 13.84 s on a formula simplification that was a NOOP. DAG size: 1608 [2021-02-23 20:36:57,669 WARN L202 SmtUtils]: Spent 13.65 s on a formula simplification that was a NOOP. DAG size: 1597 [2021-02-23 20:40:19,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:40:19,144 INFO L93 Difference]: Finished difference Result 18560 states and 20812 transitions. [2021-02-23 20:40:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 20:40:19,147 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1692 [2021-02-23 20:40:19,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:40:19,253 INFO L225 Difference]: With dead ends: 18560 [2021-02-23 20:40:19,253 INFO L226 Difference]: Without dead ends: 10504 [2021-02-23 20:40:19,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 71.6s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-02-23 20:40:19,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10504 states. [2021-02-23 20:40:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10504 to 9006. [2021-02-23 20:40:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9006 states. [2021-02-23 20:40:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 9775 transitions. [2021-02-23 20:40:30,497 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 9775 transitions. Word has length 1692 [2021-02-23 20:40:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:40:30,504 INFO L480 AbstractCegarLoop]: Abstraction has 9006 states and 9775 transitions. [2021-02-23 20:40:30,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 20:40:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 9775 transitions. [2021-02-23 20:40:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-23 20:40:30,543 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:40:30,545 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:40:30,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 20:40:30,546 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:40:30,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:40:30,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1665073533, now seen corresponding path program 1 times [2021-02-23 20:40:30,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:40:30,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965097453] [2021-02-23 20:40:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:40:30,601 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:40:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:31,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:31,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:31,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:31,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:40:31,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:31,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:46,752 WARN L202 SmtUtils]: Spent 14.99 s on a formula simplification that was a NOOP. DAG size: 1594 [2021-02-23 20:40:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:40:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:47,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:47,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2021-02-23 20:40:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:47,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:47,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:47,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1027 [2021-02-23 20:40:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:47,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:47,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:47,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2021-02-23 20:40:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1057 [2021-02-23 20:40:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1072 [2021-02-23 20:40:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2021-02-23 20:40:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1102 [2021-02-23 20:40:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1117 [2021-02-23 20:40:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1132 [2021-02-23 20:40:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1147 [2021-02-23 20:40:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1162 [2021-02-23 20:40:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1177 [2021-02-23 20:40:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1195 [2021-02-23 20:40:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1210 [2021-02-23 20:40:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1225 [2021-02-23 20:40:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1240 [2021-02-23 20:40:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1255 [2021-02-23 20:40:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1270 [2021-02-23 20:40:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1285 [2021-02-23 20:40:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1300 [2021-02-23 20:40:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1315 [2021-02-23 20:40:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1330 [2021-02-23 20:40:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2021-02-23 20:40:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1360 [2021-02-23 20:40:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1375 [2021-02-23 20:40:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1390 [2021-02-23 20:40:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1405 [2021-02-23 20:40:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1420 [2021-02-23 20:40:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1435 [2021-02-23 20:40:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1450 [2021-02-23 20:40:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1465 [2021-02-23 20:40:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1480 [2021-02-23 20:40:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1495 [2021-02-23 20:40:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1510 [2021-02-23 20:40:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1525 [2021-02-23 20:40:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1540 [2021-02-23 20:40:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1555 [2021-02-23 20:40:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1570 [2021-02-23 20:40:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1585 [2021-02-23 20:40:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-23 20:40:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1615 [2021-02-23 20:40:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1618 [2021-02-23 20:40:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1628 [2021-02-23 20:40:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1638 [2021-02-23 20:40:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-23 20:40:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1691 [2021-02-23 20:40:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:40:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:48,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:40:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:48,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:48,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8628 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8628 trivial. 0 not checked. [2021-02-23 20:40:51,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965097453] [2021-02-23 20:40:51,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:40:51,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 20:40:51,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974696470] [2021-02-23 20:40:51,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 20:40:51,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:40:51,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 20:40:51,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 20:40:51,551 INFO L87 Difference]: Start difference. First operand 9006 states and 9775 transitions. Second operand 7 states. [2021-02-23 20:41:06,276 WARN L202 SmtUtils]: Spent 14.68 s on a formula simplification that was a NOOP. DAG size: 1603 [2021-02-23 20:41:47,467 WARN L202 SmtUtils]: Spent 14.79 s on a formula simplification that was a NOOP. DAG size: 1605 [2021-02-23 20:42:05,359 WARN L202 SmtUtils]: Spent 14.65 s on a formula simplification that was a NOOP. DAG size: 1596 [2021-02-23 20:47:12,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:47:12,445 INFO L93 Difference]: Finished difference Result 27270 states and 30245 transitions. [2021-02-23 20:47:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 20:47:12,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1708 [2021-02-23 20:47:12,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:47:12,602 INFO L225 Difference]: With dead ends: 27270 [2021-02-23 20:47:12,603 INFO L226 Difference]: Without dead ends: 19459 [2021-02-23 20:47:12,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 59.6s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-02-23 20:47:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19459 states. [2021-02-23 20:47:35,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19459 to 16686. [2021-02-23 20:47:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16686 states. [2021-02-23 20:47:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16686 states to 16686 states and 18163 transitions. [2021-02-23 20:47:35,875 INFO L78 Accepts]: Start accepts. Automaton has 16686 states and 18163 transitions. Word has length 1708 [2021-02-23 20:47:35,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:47:35,878 INFO L480 AbstractCegarLoop]: Abstraction has 16686 states and 18163 transitions. [2021-02-23 20:47:35,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 20:47:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 16686 states and 18163 transitions. [2021-02-23 20:47:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1755 [2021-02-23 20:47:35,914 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:47:35,915 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 20:47:35,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 20:47:35,916 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:47:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:47:35,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1646266612, now seen corresponding path program 1 times [2021-02-23 20:47:35,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:47:35,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983734013] [2021-02-23 20:47:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:47:35,942 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:47:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:47:37,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:47:37,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:47:37,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:47:37,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1