java -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/CToToChcInline.xml -s ../../../trunk/examples/settings//default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --chcprinter.save.file.in.source.directory true --chcprinter.use.automatic.naming true -i /storage/repos/svcomp/c/ntdrivers/kbfiltr_false-unreach-call.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-18 12:50:18,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-18 12:50:18,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-18 12:50:18,288 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-18 12:50:18,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-18 12:50:18,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-18 12:50:18,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-18 12:50:18,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-18 12:50:18,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-18 12:50:18,296 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-18 12:50:18,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-18 12:50:18,298 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-18 12:50:18,299 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-18 12:50:18,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-18 12:50:18,301 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-18 12:50:18,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-18 12:50:18,303 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-18 12:50:18,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-18 12:50:18,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-18 12:50:18,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-18 12:50:18,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-18 12:50:18,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-18 12:50:18,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-18 12:50:18,315 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-18 12:50:18,315 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-18 12:50:18,316 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-18 12:50:18,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-18 12:50:18,318 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-18 12:50:18,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-18 12:50:18,319 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-18 12:50:18,320 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-18 12:50:18,321 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-18 12:50:18,322 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-18 12:50:18,322 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-18 12:50:18,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-18 12:50:18,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-18 12:50:18,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-18 12:50:18,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-18 12:50:18,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-18 12:50:18,328 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-03-18 12:50:18,361 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-18 12:50:18,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-18 12:50:18,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-18 12:50:18,364 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-18 12:50:18,364 INFO L133 SettingsManager]: * Use SBE=true [2019-03-18 12:50:18,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-18 12:50:18,365 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-18 12:50:18,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-18 12:50:18,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-18 12:50:18,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-18 12:50:18,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-18 12:50:18,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-18 12:50:18,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-18 12:50:18,366 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-18 12:50:18,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-18 12:50:18,367 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-18 12:50:18,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-18 12:50:18,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-18 12:50:18,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-18 12:50:18,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-18 12:50:18,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-18 12:50:18,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-18 12:50:18,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-18 12:50:18,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-18 12:50:18,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-18 12:50:18,370 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-18 12:50:18,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-18 12:50:18,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-18 12:50:18,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.chcprinter: Save file in source directory -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.chcprinter: Use automatic naming -> true [2019-03-18 12:50:18,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-18 12:50:18,446 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-18 12:50:18,450 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-18 12:50:18,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-18 12:50:18,453 INFO L276 PluginConnector]: CDTParser initialized [2019-03-18 12:50:18,453 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ntdrivers/kbfiltr_false-unreach-call.i.cil.c [2019-03-18 12:50:18,511 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd9d089f/c8af998b7a714d63b281d0211ef879ee/FLAG9c91c7ca9 [2019-03-18 12:50:19,196 INFO L307 CDTParser]: Found 1 translation units. [2019-03-18 12:50:19,198 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ntdrivers/kbfiltr_false-unreach-call.i.cil.c [2019-03-18 12:50:19,225 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd9d089f/c8af998b7a714d63b281d0211ef879ee/FLAG9c91c7ca9 [2019-03-18 12:50:19,310 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd9d089f/c8af998b7a714d63b281d0211ef879ee [2019-03-18 12:50:19,321 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-18 12:50:19,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-18 12:50:19,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-18 12:50:19,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-18 12:50:19,328 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-18 12:50:19,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 12:50:19" (1/1) ... [2019-03-18 12:50:19,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8539429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:19, skipping insertion in model container [2019-03-18 12:50:19,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 12:50:19" (1/1) ... [2019-03-18 12:50:19,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-18 12:50:19,441 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-18 12:50:20,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 12:50:20,500 INFO L191 MainTranslator]: Completed pre-run [2019-03-18 12:50:20,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 12:50:20,963 INFO L195 MainTranslator]: Completed translation [2019-03-18 12:50:20,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20 WrapperNode [2019-03-18 12:50:20,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-18 12:50:20,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-18 12:50:20,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-18 12:50:20,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-18 12:50:20,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-18 12:50:21,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-18 12:50:21,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-18 12:50:21,175 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-18 12:50:21,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (1/1) ... [2019-03-18 12:50:21,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-18 12:50:21,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-18 12:50:21,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-18 12:50:21,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-18 12:50:21,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 12:50:20" (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 [2019-03-18 12:50:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-03-18 12:50:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-03-18 12:50:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-03-18 12:50:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-18 12:50:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-18 12:50:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-03-18 12:50:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-18 12:50:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-03-18 12:50:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-03-18 12:50:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-18 12:50:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-03-18 12:50:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-18 12:50:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-18 12:50:22,384 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,388 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,392 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,397 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,403 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,409 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,415 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,418 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,421 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,423 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,426 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,429 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,431 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:22,440 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-03-18 12:50:57,725 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume !false; [2019-03-18 12:50:57,726 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##425: assume false; [2019-03-18 12:50:57,726 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##257: assume !false; [2019-03-18 12:50:57,726 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##256: assume false; [2019-03-18 12:50:57,726 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume !false; [2019-03-18 12:50:57,726 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##286: assume false; [2019-03-18 12:50:57,727 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2019-03-18 12:50:57,727 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2019-03-18 12:50:57,727 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume !false; [2019-03-18 12:50:57,727 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##316: assume false; [2019-03-18 12:50:57,727 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume !false; [2019-03-18 12:50:57,727 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##171: assume false; [2019-03-18 12:50:57,728 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume !false; [2019-03-18 12:50:57,728 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume false; [2019-03-18 12:50:57,728 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##199: assume !false; [2019-03-18 12:50:57,728 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##198: assume false; [2019-03-18 12:50:57,728 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2019-03-18 12:50:57,729 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2019-03-18 12:50:57,729 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-03-18 12:50:57,729 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-03-18 12:50:57,729 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-03-18 12:50:57,729 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-03-18 12:50:57,729 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume !false; [2019-03-18 12:50:57,730 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume false; [2019-03-18 12:50:57,730 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2019-03-18 12:50:57,730 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2019-03-18 12:50:57,730 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##359: assume !false; [2019-03-18 12:50:57,730 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##358: assume false; [2019-03-18 12:50:57,732 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-18 12:50:57,732 INFO L286 CfgBuilder]: Removed 176 assue(true) statements. [2019-03-18 12:50:57,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 12:50:57 BoogieIcfgContainer [2019-03-18 12:50:57,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-18 12:50:57,734 INFO L113 PluginConnector]: ------------------------IcfgToChc---------------------------- [2019-03-18 12:50:57,734 INFO L271 PluginConnector]: Initializing IcfgToChc... [2019-03-18 12:50:57,735 INFO L276 PluginConnector]: IcfgToChc initialized [2019-03-18 12:50:57,738 INFO L185 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 12:50:57" (1/1) ... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown