/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/seq-mthreaded/rekcba_nxt.1.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:43:43,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:43:43,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:43:43,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:43:43,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:43:43,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:43:43,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:43:43,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:43:43,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:43:43,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:43:43,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:43:43,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:43:43,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:43:43,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:43:43,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:43:43,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:43:43,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:43:43,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:43:43,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:43:43,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:43:43,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:43:43,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:43:43,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:43:43,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:43:43,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 18:43:43,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:43:43,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:43:43,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:43:43,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:43:43,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:43:43,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:43:43,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:43:43,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:43:43,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:43:43,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:43:43,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:43:43,588 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 18:43:43,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:43:43,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:43:43,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:43:43,610 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:43:43,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:43:43,610 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:43:43,611 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:43:43,611 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:43:43,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:43:43,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:43:43,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:43:43,612 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:43:43,613 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:43:43,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:43:43,613 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:43:43,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:43:43,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:43:43,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:43:43,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:43:43,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:43:43,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:43:43,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:43:43,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:43:43,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:43:43,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:43:43,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:43:43,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:43:43,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:43:43,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:43:43,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:43:43,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:43:43,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:43:43,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:43:43,619 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:43:43,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:43:43,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:43:43,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:43:43,620 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:43:43,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:43:43,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:43:43,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:43:43,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:43:43,907 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:43:43,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-1.c [2019-11-24 18:43:43,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3636a6dd1/915ee284e1114feba31ed54fdbff04e1/FLAGe2533b645 [2019-11-24 18:43:44,856 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:43:44,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-1.c [2019-11-24 18:43:44,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3636a6dd1/915ee284e1114feba31ed54fdbff04e1/FLAGe2533b645 [2019-11-24 18:43:45,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3636a6dd1/915ee284e1114feba31ed54fdbff04e1 [2019-11-24 18:43:45,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:43:45,308 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:43:45,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:43:45,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:43:45,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:43:45,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:43:45" (1/1) ... [2019-11-24 18:43:45,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b57d1a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:45, skipping insertion in model container [2019-11-24 18:43:45,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:43:45" (1/1) ... [2019-11-24 18:43:45,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:43:45,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:43:47,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:43:47,162 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:43:48,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:43:48,249 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:43:48,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48 WrapperNode [2019-11-24 18:43:48,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:43:48,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:43:48,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:43:48,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:43:48,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:48,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:51,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:43:51,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:43:51,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:43:51,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:43:51,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:51,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:54,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:54,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:56,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:56,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:57,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (1/1) ... [2019-11-24 18:43:57,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:43:57,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:43:57,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:43:57,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:43:57,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:43:48" (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 18:43:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:43:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:43:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start