/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 15:29:38,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 15:29:38,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 15:29:38,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 15:29:38,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 15:29:38,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 15:29:38,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 15:29:38,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 15:29:38,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 15:29:38,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 15:29:38,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 15:29:38,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 15:29:38,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 15:29:38,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 15:29:38,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 15:29:38,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 15:29:38,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 15:29:38,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 15:29:38,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 15:29:38,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 15:29:38,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 15:29:39,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 15:29:39,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 15:29:39,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 15:29:39,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 15:29:39,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 15:29:39,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 15:29:39,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 15:29:39,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 15:29:39,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 15:29:39,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 15:29:39,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 15:29:39,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 15:29:39,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 15:29:39,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 15:29:39,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 15:29:39,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 15:29:39,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 15:29:39,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 15:29:39,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 15:29:39,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 15:29:39,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 15:29:39,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 15:29:39,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 15:29:39,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 15:29:39,032 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 15:29:39,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 15:29:39,033 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 15:29:39,033 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 15:29:39,034 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 15:29:39,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 15:29:39,034 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 15:29:39,034 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 15:29:39,034 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 15:29:39,035 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 15:29:39,035 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 15:29:39,035 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 15:29:39,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 15:29:39,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 15:29:39,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 15:29:39,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 15:29:39,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 15:29:39,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 15:29:39,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 15:29:39,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 15:29:39,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 15:29:39,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 15:29:39,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 15:29:39,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 15:29:39,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 15:29:39,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 15:29:39,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 15:29:39,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 15:29:39,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 15:29:39,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 15:29:39,042 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 15:29:39,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 15:29:39,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 15:29:39,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 15:29:39,043 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 15:29:39,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 15:29:39,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 15:29:39,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 15:29:39,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 15:29:39,335 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 15:29:39,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2019-11-24 15:29:39,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb356b44/09495e1b70064419a7febb0ce53b222d/FLAG6a53ff3b0 [2019-11-24 15:29:40,305 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 15:29:40,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2019-11-24 15:29:40,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb356b44/09495e1b70064419a7febb0ce53b222d/FLAG6a53ff3b0 [2019-11-24 15:29:40,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb356b44/09495e1b70064419a7febb0ce53b222d [2019-11-24 15:29:40,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 15:29:40,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 15:29:40,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 15:29:40,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 15:29:40,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 15:29:40,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:29:40" (1/1) ... [2019-11-24 15:29:40,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a298c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:40, skipping insertion in model container [2019-11-24 15:29:40,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:29:40" (1/1) ... [2019-11-24 15:29:40,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 15:29:40,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 15:29:46,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 15:29:46,049 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 15:29:46,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 15:29:48,023 INFO L208 MainTranslator]: Completed translation [2019-11-24 15:29:48,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48 WrapperNode [2019-11-24 15:29:48,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 15:29:48,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 15:29:48,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 15:29:48,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 15:29:48,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:48,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:49,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 15:29:49,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 15:29:49,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 15:29:49,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 15:29:49,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:49,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:49,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:49,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:51,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:51,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:51,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (1/1) ... [2019-11-24 15:29:51,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 15:29:51,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 15:29:51,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 15:29:51,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 15:29:51,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:29:48" (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 [2019-11-24 15:29:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2019-11-24 15:29:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2019-11-24 15:29:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2019-11-24 15:29:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2019-11-24 15:29:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-24 15:29:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 15:29:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 15:29:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 15:29:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 15:29:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2019-11-24 15:29:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2019-11-24 15:29:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-11-24 15:29:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-11-24 15:29:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 15:29:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 15:29:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 15:29:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 15:29:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2019-11-24 15:29:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2019-11-24 15:29:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2019-11-24 15:29:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2019-11-24 15:29:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 15:29:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 15:29:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-11-24 15:29:52,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-11-24 15:29:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 15:29:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 15:29:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2019-11-24 15:29:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2019-11-24 15:29:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2019-11-24 15:29:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2019-11-24 15:29:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 15:29:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 15:29:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 15:29:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 15:29:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2019-11-24 15:29:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2019-11-24 15:29:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2019-11-24 15:29:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2019-11-24 15:29:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2019-11-24 15:29:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2019-11-24 15:29:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-11-24 15:29:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 15:30:37,026 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L8475: #t~ret1145 := main_#res; [2019-11-24 15:30:37,028 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_14_returnLabel: main_#res := 0; [2019-11-24 15:30:37,028 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true;