/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:30:59,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:30:59,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:30:59,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:30:59,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:30:59,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:30:59,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:30:59,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:30:59,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:30:59,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:30:59,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:30:59,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:30:59,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:30:59,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:30:59,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:30:59,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:30:59,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:30:59,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:30:59,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:30:59,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:30:59,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:30:59,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:30:59,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:30:59,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:30:59,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:30:59,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:30:59,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:30:59,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:30:59,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:30:59,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:30:59,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:30:59,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:30:59,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:30:59,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:30:59,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:30:59,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:30:59,863 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 10:30:59,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:30:59,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:30:59,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:30:59,901 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:30:59,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:30:59,902 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:30:59,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:30:59,902 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:30:59,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:30:59,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:30:59,903 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:30:59,903 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:30:59,903 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:30:59,903 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:30:59,904 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:30:59,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:30:59,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:30:59,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:30:59,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:30:59,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:30:59,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:30:59,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:30:59,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:30:59,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:30:59,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:30:59,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:30:59,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:30:59,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:30:59,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:30:59,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:30:59,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:30:59,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:30:59,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:30:59,909 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:30:59,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:30:59,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:30:59,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:30:59,909 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:31:00,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:31:00,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:31:00,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:31:00,193 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:31:00,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:31:00,194 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2019-11-24 10:31:00,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa94941e4/7656f3ceb3bb4dbf8b0568f2507c8afa/FLAG0055f55ce [2019-11-24 10:31:00,802 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:31:00,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2019-11-24 10:31:00,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa94941e4/7656f3ceb3bb4dbf8b0568f2507c8afa/FLAG0055f55ce [2019-11-24 10:31:01,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa94941e4/7656f3ceb3bb4dbf8b0568f2507c8afa [2019-11-24 10:31:01,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:31:01,096 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:31:01,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:31:01,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:31:01,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:31:01,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@975b60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01, skipping insertion in model container [2019-11-24 10:31:01,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:31:01,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:31:01,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:31:01,760 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:31:01,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:31:01,887 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:31:01,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01 WrapperNode [2019-11-24 10:31:01,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:31:01,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:31:01,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:31:01,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:31:01,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:31:01,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:31:01,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:31:01,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:31:01,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:01,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:02,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:02,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:02,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (1/1) ... [2019-11-24 10:31:02,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:31:02,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:31:02,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:31:02,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:31:02,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:31:01" (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 10:31:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:31:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:31:27,980 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:31:27,980 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:31:27,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:31:27 BoogieIcfgContainer [2019-11-24 10:31:27,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:31:27,982 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:31:27,982 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:31:27,982 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:31:27,983 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:31:27" (1/1) ... [2019-11-24 10:31:27,983 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 10:31:28,007 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:31:28,007 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:31:28,014 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:31:28,022 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:31:28,023 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:31:28,089 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-11-24 10:31:28,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2019-11-24 10:31:29,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 22