/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/Problem14_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:58:36,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:58:36,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:58:36,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:58:36,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:58:36,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:58:36,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:58:36,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:58:36,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:58:36,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:58:36,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:58:36,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:58:36,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:58:36,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:58:36,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:58:36,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:58:36,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:58:36,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:58:36,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:58:36,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:58:36,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:58:36,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:58:36,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:58:36,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:58:36,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:58:36,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:58:36,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:58:36,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:58:36,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:58:36,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:58:36,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:58:36,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:58:36,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:58:36,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:58:36,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:58:36,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:58:36,591 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 10:58:36,610 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:58:36,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:58:36,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:58:36,615 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:58:36,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:58:36,615 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:58:36,615 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:58:36,615 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:58:36,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:58:36,616 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:58:36,616 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:58:36,616 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:58:36,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:58:36,617 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:58:36,618 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:58:36,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:58:36,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:58:36,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:58:36,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:58:36,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:58:36,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:58:36,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:58:36,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:58:36,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:58:36,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:58:36,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:58:36,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:58:36,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:58:36,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:58:36,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:58:36,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:58:36,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:58:36,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:58:36,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:58:36,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:58:36,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:58:36,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:58:36,624 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:58:36,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:58:36,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:58:36,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:58:36,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:58:36,921 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:58:36,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2019-11-24 10:58:36,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a751cdfff/997e3d99cb41451a808e6d92db77592c/FLAG64f58fbf6 [2019-11-24 10:58:37,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:58:37,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label42.c [2019-11-24 10:58:37,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a751cdfff/997e3d99cb41451a808e6d92db77592c/FLAG64f58fbf6 [2019-11-24 10:58:37,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a751cdfff/997e3d99cb41451a808e6d92db77592c [2019-11-24 10:58:37,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:58:37,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:58:37,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:58:37,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:58:37,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:58:37,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:37" (1/1) ... [2019-11-24 10:58:37,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b864978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:37, skipping insertion in model container [2019-11-24 10:58:37,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:37" (1/1) ... [2019-11-24 10:58:37,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:58:37,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:58:38,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:58:38,441 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:58:38,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:58:38,598 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:58:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38 WrapperNode [2019-11-24 10:58:38,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:58:38,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:58:38,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:58:38,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:58:38,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:58:38,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:58:38,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:58:38,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:58:38,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (1/1) ... [2019-11-24 10:58:38,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:58:38,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:58:38,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:58:38,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:58:38,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:38" (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 10:58:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:58:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:59:51,957 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:59:51,958 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:59:51,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:51 BoogieIcfgContainer [2019-11-24 10:59:51,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:59:51,959 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:59:51,960 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:59:51,964 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:59:51,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:51" (1/1) ... [2019-11-24 10:59:51,967 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 10:59:51,987 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:59:51,987 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:59:51,997 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:59:52,004 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:59:52,006 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:59:52,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:59:52,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:59:53,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37