java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:26:39,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:26:39,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:26:39,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:26:39,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:26:39,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:26:39,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:26:39,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:26:39,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:26:39,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:26:39,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:26:39,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:26:39,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:26:39,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:26:39,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:26:39,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:26:39,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:26:39,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:26:39,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:26:39,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:26:39,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:26:39,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:26:39,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:26:39,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:26:39,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:26:39,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:26:39,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:26:39,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:26:39,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:26:39,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:26:39,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:26:39,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:26:39,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:26:39,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:26:39,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:26:39,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:26:39,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:26:39,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:26:39,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:26:39,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:26:39,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:26:39,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 11:26:39,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:26:39,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:26:39,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:26:39,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:26:39,311 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:26:39,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:26:39,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:26:39,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:26:39,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:26:39,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:26:39,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:26:39,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:26:39,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:26:39,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:26:39,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:26:39,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:26:39,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:26:39,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:26:39,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:26:39,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:26:39,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:26:39,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:26:39,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:26:39,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:26:39,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:26:39,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:26:39,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:26:39,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:26:39,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 11:26:39,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:26:39,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:26:39,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:26:39,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:26:39,387 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:26:39,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-18 11:26:39,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093706278/7a77dd7f59684720bbb360f81616ffd9/FLAGe4e3fc39b [2019-09-18 11:26:39,960 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:26:39,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2019-09-18 11:26:39,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093706278/7a77dd7f59684720bbb360f81616ffd9/FLAGe4e3fc39b [2019-09-18 11:26:40,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093706278/7a77dd7f59684720bbb360f81616ffd9 [2019-09-18 11:26:40,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:26:40,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:26:40,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:26:40,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:26:40,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:26:40,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:26:40" (1/1) ... [2019-09-18 11:26:40,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2768fcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:40, skipping insertion in model container [2019-09-18 11:26:40,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:26:40" (1/1) ... [2019-09-18 11:26:40,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:26:40,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:26:40,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:26:40,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:26:41,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:26:41,038 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:26:41,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41 WrapperNode [2019-09-18 11:26:41,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:26:41,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:26:41,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:26:41,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:26:41,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (1/1) ... [2019-09-18 11:26:41,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:26:41,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:26:41,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:26:41,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:26:41,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:26:41" (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 [2019-09-18 11:26:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:26:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:26:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2019-09-18 11:26:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2019-09-18 11:26:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2019-09-18 11:26:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2019-09-18 11:26:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2019-09-18 11:26:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2019-09-18 11:26:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2019-09-18 11:26:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2019-09-18 11:26:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:26:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:26:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:26:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:26:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 11:26:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2019-09-18 11:26:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-18 11:26:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-18 11:26:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2019-09-18 11:26:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2019-09-18 11:26:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2019-09-18 11:26:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2019-09-18 11:26:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 11:26:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2019-09-18 11:26:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2019-09-18 11:26:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-18 11:26:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:26:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:26:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:26:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 11:26:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:26:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 11:26:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:26:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:26:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 11:26:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 11:26:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:26:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 11:26:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:26:42,245 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:26:42,246 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-18 11:26:42,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:26:42 BoogieIcfgContainer [2019-09-18 11:26:42,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:26:42,248 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:26:42,248 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:26:42,249 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:26:42,250 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:26:42" (1/1) ... [2019-09-18 11:26:42,250 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:26:42,280 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:26:42,280 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:26:42,289 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:93) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:88) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:80) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-18 11:26:42,295 INFO L168 Benchmark]: Toolchain (without parser) took 2002.48 ms. Allocated memory was 135.8 MB in the beginning and 233.8 MB in the end (delta: 98.0 MB). Free memory was 90.4 MB in the beginning and 193.5 MB in the end (delta: -103.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:26:42,296 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 135.8 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:26:42,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.88 ms. Allocated memory was 135.8 MB in the beginning and 203.4 MB in the end (delta: 67.6 MB). Free memory was 90.2 MB in the beginning and 171.1 MB in the end (delta: -80.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:26:42,298 INFO L168 Benchmark]: Boogie Preprocessor took 92.91 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:26:42,299 INFO L168 Benchmark]: RCFGBuilder took 1115.17 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 167.0 MB in the beginning and 196.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:26:42,300 INFO L168 Benchmark]: Sifa took 44.58 ms. Allocated memory is still 233.8 MB. Free memory was 196.1 MB in the beginning and 193.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:26:42,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 135.8 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 745.88 ms. Allocated memory was 135.8 MB in the beginning and 203.4 MB in the end (delta: 67.6 MB). Free memory was 90.2 MB in the beginning and 171.1 MB in the end (delta: -80.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.91 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.17 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 167.0 MB in the beginning and 196.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Sifa took 44.58 ms. Allocated memory is still 233.8 MB. Free memory was 196.1 MB in the beginning and 193.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: IllegalArgumentException: Recursive programs are not supported. de.uni_freiburg.informatik.ultimate.plugins.sifa: IllegalArgumentException: Recursive programs are not supported.: de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...