/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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 11:42:34,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 11:42:34,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 11:42:34,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 11:42:34,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 11:42:34,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 11:42:34,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 11:42:34,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 11:42:34,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 11:42:34,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 11:42:34,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 11:42:34,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 11:42:34,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 11:42:34,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 11:42:34,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 11:42:34,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 11:42:34,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 11:42:34,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 11:42:34,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 11:42:34,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 11:42:34,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 11:42:34,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 11:42:34,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 11:42:34,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 11:42:34,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 11:42:34,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 11:42:34,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 11:42:34,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 11:42:34,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 11:42:34,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 11:42:34,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 11:42:34,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 11:42:34,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 11:42:34,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 11:42:34,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 11:42:34,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 11:42:34,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 11:42:34,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 11:42:34,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 11:42:34,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 11:42:34,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 11:42:34,891 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 11:42:34,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 11:42:34,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 11:42:34,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 11:42:34,911 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 11:42:34,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 11:42:34,912 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 11:42:34,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 11:42:34,912 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 11:42:34,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 11:42:34,913 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 11:42:34,915 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 11:42:34,915 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 11:42:34,915 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 11:42:34,915 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 11:42:34,916 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 11:42:34,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 11:42:34,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 11:42:34,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 11:42:34,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 11:42:34,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 11:42:34,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 11:42:34,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 11:42:34,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 11:42:34,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 11:42:34,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 11:42:34,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 11:42:34,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 11:42:34,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 11:42:34,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 11:42:34,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 11:42:34,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 11:42:34,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 11:42:34,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 11:42:34,921 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 11:42:34,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 11:42:34,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 11:42:34,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 11:42:34,923 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 11:42:35,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 11:42:35,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 11:42:35,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 11:42:35,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 11:42:35,222 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 11:42:35,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-24 11:42:35,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2215421e5/bf5280110c184a1fa418ae0c4daac0f9/FLAG8d5321c3e [2019-11-24 11:42:36,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 11:42:36,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-24 11:42:36,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2215421e5/bf5280110c184a1fa418ae0c4daac0f9/FLAG8d5321c3e [2019-11-24 11:42:36,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2215421e5/bf5280110c184a1fa418ae0c4daac0f9 [2019-11-24 11:42:36,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 11:42:36,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 11:42:36,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 11:42:36,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 11:42:36,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 11:42:36,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:42:36" (1/1) ... [2019-11-24 11:42:36,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228ffb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:36, skipping insertion in model container [2019-11-24 11:42:36,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:42:36" (1/1) ... [2019-11-24 11:42:36,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 11:42:36,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 11:42:40,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:42:40,956 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 11:42:41,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:42:43,116 INFO L208 MainTranslator]: Completed translation [2019-11-24 11:42:43,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43 WrapperNode [2019-11-24 11:42:43,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 11:42:43,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 11:42:43,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 11:42:43,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 11:42:43,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:43,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:43,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 11:42:43,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 11:42:43,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 11:42:43,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 11:42:43,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:43,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:43,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:43,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:44,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:44,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:44,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (1/1) ... [2019-11-24 11:42:44,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 11:42:44,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 11:42:44,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 11:42:44,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 11:42:44,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:42:43" (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 11:42:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 11:42:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 11:42:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 11:42:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 11:42:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 11:42:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 11:42:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 11:42:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 11:42:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 11:42:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 11:42:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 11:42:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 11:42:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 11:42:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 11:42:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 11:43:01,404 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_20_returnLabel: main_#res := 0; [2019-11-24 11:43:01,404 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint L11385: #t~ret1441 := main_#res; [2019-11-24 11:43:01,405 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true;