/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/rekh_nxt.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:47:53,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:47:53,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:47:53,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:47:53,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:47:53,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:47:53,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:47:53,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:47:53,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:47:53,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:47:53,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:47:53,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:47:53,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:47:53,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:47:53,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:47:53,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:47:53,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:47:53,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:47:53,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:47:53,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:47:53,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:47:53,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:47:53,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:47:53,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:47:53,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:47:53,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:47:53,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:47:53,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:47:53,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:47:53,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:47:53,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:47:53,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:47:53,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:47:53,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:47:53,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:47:53,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:47:53,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:47:53,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:47:53,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:47:53,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:47:53,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:47:53,493 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 18:47:53,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:47:53,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:47:53,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:47:53,509 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:47:53,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:47:53,510 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:47:53,510 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:47:53,510 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:47:53,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:47:53,511 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:47:53,511 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:47:53,511 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:47:53,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:47:53,511 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:47:53,512 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:47:53,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:47:53,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:47:53,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:47:53,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:47:53,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:47:53,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:47:53,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:47:53,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:47:53,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:47:53,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:47:53,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:47:53,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:47:53,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:47:53,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:47:53,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:47:53,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:47:53,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:47:53,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:47:53,516 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:47:53,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:47:53,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:47:53,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:47:53,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:47:53,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:47:53,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:47:53,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:47:53,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:47:53,866 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:47:53,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-2.c [2019-11-24 18:47:53,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2eb16a78/641d423235e24c619fbcb9f5bc74fc52/FLAG176b3d52a [2019-11-24 18:47:54,562 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:47:54,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-2.c [2019-11-24 18:47:54,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2eb16a78/641d423235e24c619fbcb9f5bc74fc52/FLAG176b3d52a [2019-11-24 18:47:54,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2eb16a78/641d423235e24c619fbcb9f5bc74fc52 [2019-11-24 18:47:54,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:47:54,799 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:47:54,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:47:54,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:47:54,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:47:54,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:47:54" (1/1) ... [2019-11-24 18:47:54,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180777e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:54, skipping insertion in model container [2019-11-24 18:47:54,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:47:54" (1/1) ... [2019-11-24 18:47:54,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:47:54,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:47:55,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:47:55,668 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:47:55,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:47:56,005 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:47:56,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56 WrapperNode [2019-11-24 18:47:56,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:47:56,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:47:56,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:47:56,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:47:56,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:56,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:57,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:47:57,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:47:57,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:47:57,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:47:57,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:57,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:58,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:58,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:59,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:59,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:59,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (1/1) ... [2019-11-24 18:47:59,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:47:59,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:47:59,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:47:59,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:47:59,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:47:56" (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 18:47:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 18:47:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 18:47:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 18:47:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 18:47:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 18:47:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:47:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start