/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/eca-rers2012/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:36:08,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:36:08,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:36:08,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:36:08,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:36:08,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:36:08,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:36:08,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:36:08,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:36:08,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:36:08,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:36:08,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:36:08,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:36:08,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:36:08,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:36:08,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:36:08,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:36:08,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:36:08,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:36:08,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:36:08,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:36:08,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:36:08,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:36:08,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:36:08,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:36:08,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:36:08,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:36:08,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:36:08,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:36:08,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:36:08,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:36:08,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:36:08,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:36:08,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:36:08,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:36:08,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:36:08,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:36:08,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:36:08,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:36:08,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:36:08,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:36:08,235 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 10:36:08,263 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:36:08,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:36:08,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:36:08,264 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:36:08,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:36:08,264 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:36:08,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:36:08,264 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:36:08,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:36:08,265 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:36:08,265 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:36:08,265 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:36:08,265 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:36:08,266 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:36:08,266 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:36:08,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:36:08,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:36:08,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:36:08,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:36:08,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:36:08,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:36:08,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:36:08,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:36:08,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:36:08,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:36:08,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:36:08,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:36:08,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:36:08,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:36:08,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:36:08,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:36:08,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:36:08,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:36:08,270 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:36:08,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:36:08,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:36:08,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:36:08,271 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:36:08,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:36:08,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:36:08,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:36:08,566 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:36:08,566 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:36:08,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2019-11-24 10:36:08,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a4992cb/064dbbaf137044589dff0d2fe8253246/FLAG5f4865bfe [2019-11-24 10:36:09,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:36:09,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2019-11-24 10:36:09,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a4992cb/064dbbaf137044589dff0d2fe8253246/FLAG5f4865bfe [2019-11-24 10:36:09,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a4992cb/064dbbaf137044589dff0d2fe8253246 [2019-11-24 10:36:09,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:36:09,488 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:36:09,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:36:09,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:36:09,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:36:09,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:36:09" (1/1) ... [2019-11-24 10:36:09,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25911cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:09, skipping insertion in model container [2019-11-24 10:36:09,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:36:09" (1/1) ... [2019-11-24 10:36:09,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:36:09,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:36:10,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:36:10,082 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:36:10,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:36:10,236 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:36:10,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10 WrapperNode [2019-11-24 10:36:10,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:36:10,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:36:10,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:36:10,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:36:10,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:36:10,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:36:10,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:36:10,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:36:10,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (1/1) ... [2019-11-24 10:36:10,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:36:10,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:36:10,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:36:10,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:36:10,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:36:10" (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 10:36:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:36:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:36:38,839 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:36:38,840 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:36:38,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:36:38 BoogieIcfgContainer [2019-11-24 10:36:38,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:36:38,842 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:36:38,842 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:36:38,842 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:36:38,843 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:36:38" (1/1) ... [2019-11-24 10:36:38,844 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:36:38,866 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:36:38,866 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:36:38,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:36:38,880 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:36:38,881 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:36:38,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2019-11-24 10:36:39,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2019-11-24 10:36:40,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52