/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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 12:32:15,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 12:32:15,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 12:32:15,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 12:32:15,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 12:32:15,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 12:32:15,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 12:32:15,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 12:32:15,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 12:32:15,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 12:32:15,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 12:32:15,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 12:32:15,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 12:32:15,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 12:32:15,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 12:32:15,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 12:32:15,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 12:32:15,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 12:32:15,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 12:32:15,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 12:32:15,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 12:32:15,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 12:32:15,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 12:32:15,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 12:32:15,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 12:32:15,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 12:32:15,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 12:32:15,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 12:32:15,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 12:32:15,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 12:32:15,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 12:32:15,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 12:32:15,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 12:32:15,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 12:32:15,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 12:32:15,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 12:32:15,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 12:32:15,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 12:32:15,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 12:32:15,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 12:32:15,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 12:32:15,313 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 12:32:15,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 12:32:15,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 12:32:15,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 12:32:15,334 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 12:32:15,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 12:32:15,335 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 12:32:15,335 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 12:32:15,335 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 12:32:15,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 12:32:15,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 12:32:15,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 12:32:15,337 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 12:32:15,337 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 12:32:15,337 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 12:32:15,337 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 12:32:15,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 12:32:15,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 12:32:15,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 12:32:15,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 12:32:15,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 12:32:15,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 12:32:15,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 12:32:15,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 12:32:15,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 12:32:15,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 12:32:15,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 12:32:15,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 12:32:15,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 12:32:15,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 12:32:15,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 12:32:15,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 12:32:15,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 12:32:15,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 12:32:15,343 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 12:32:15,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 12:32:15,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 12:32:15,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 12:32:15,344 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 12:32:15,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 12:32:15,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 12:32:15,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 12:32:15,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 12:32:15,610 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 12:32:15,611 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2019-11-24 12:32:15,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc6e1d0e/88ab50b4f6c94e3da41c66ce56480b28/FLAGbd21a56c5 [2019-11-24 12:32:16,729 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 12:32:16,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2019-11-24 12:32:16,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc6e1d0e/88ab50b4f6c94e3da41c66ce56480b28/FLAGbd21a56c5 [2019-11-24 12:32:17,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc6e1d0e/88ab50b4f6c94e3da41c66ce56480b28 [2019-11-24 12:32:17,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 12:32:17,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 12:32:17,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 12:32:17,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 12:32:17,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 12:32:17,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:32:17" (1/1) ... [2019-11-24 12:32:17,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28facf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:17, skipping insertion in model container [2019-11-24 12:32:17,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:32:17" (1/1) ... [2019-11-24 12:32:17,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 12:32:17,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 12:32:22,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 12:32:22,128 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 12:32:22,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 12:32:23,864 INFO L208 MainTranslator]: Completed translation [2019-11-24 12:32:23,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23 WrapperNode [2019-11-24 12:32:23,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 12:32:23,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 12:32:23,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 12:32:23,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 12:32:23,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:24,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:26,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 12:32:26,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 12:32:26,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 12:32:26,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 12:32:26,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:26,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:26,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:26,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:27,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:27,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:27,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (1/1) ... [2019-11-24 12:32:27,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 12:32:27,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 12:32:27,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 12:32:27,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 12:32:27,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:23" (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 12:32:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2019-11-24 12:32:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2019-11-24 12:32:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 12:32:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 12:32:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 12:32:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 12:32:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 12:32:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 12:32:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2019-11-24 12:32:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2019-11-24 12:32:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2019-11-24 12:32:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2019-11-24 12:32:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 12:32:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 12:32:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2019-11-24 12:32:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2019-11-24 12:32:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 12:32:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 12:32:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2019-11-24 12:32:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2019-11-24 12:32:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2019-11-24 12:32:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2019-11-24 12:32:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 12:32:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 12:32:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2019-11-24 12:32:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2019-11-24 12:32:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 12:32:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2019-11-24 12:32:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2019-11-24 12:32:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2019-11-24 12:32:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2019-11-24 12:32:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 12:32:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2019-11-24 12:32:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2019-11-24 12:32:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 12:32:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-24 12:33:10,530 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2019-11-24 12:33:10,530 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2019-11-24 12:33:10,531 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2019-11-24 12:33:10,532 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2019-11-24 12:33:10,533 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-11-24 12:33:10,535 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0;