/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/Problem12_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:48:43,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:48:43,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:48:43,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:48:43,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:48:43,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:48:43,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:48:43,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:48:43,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:48:43,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:48:43,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:48:43,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:48:43,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:48:43,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:48:43,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:48:43,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:48:43,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:48:43,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:48:43,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:48:43,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:48:43,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:48:43,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:48:43,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:48:43,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:48:43,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:48:43,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:48:43,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:48:43,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:48:43,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:48:43,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:48:43,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:48:43,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:48:43,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:48:43,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:48:43,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:48:43,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:48:43,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:48:43,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:48:43,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:48:43,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:48:43,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:48:43,549 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 10:48:43,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:48:43,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:48:43,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:48:43,575 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:48:43,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:48:43,576 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:48:43,576 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:48:43,576 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:48:43,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:48:43,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:48:43,577 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:48:43,577 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:48:43,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:48:43,577 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:48:43,577 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:48:43,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:48:43,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:48:43,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:48:43,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:48:43,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:48:43,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:48:43,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:48:43,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:48:43,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:48:43,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:48:43,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:48:43,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:48:43,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:48:43,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:48:43,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:48:43,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:48:43,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:48:43,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:48:43,582 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:48:43,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:48:43,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:48:43,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:48:43,582 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:48:43,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:48:43,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:48:43,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:48:43,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:48:43,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:48:43,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label16.c [2019-11-24 10:48:43,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d74c07a2/b0ba6c4bae8445d88becfbcb6cc070e4/FLAG456fce99a [2019-11-24 10:48:44,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:48:44,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label16.c [2019-11-24 10:48:44,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d74c07a2/b0ba6c4bae8445d88becfbcb6cc070e4/FLAG456fce99a [2019-11-24 10:48:44,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d74c07a2/b0ba6c4bae8445d88becfbcb6cc070e4 [2019-11-24 10:48:44,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:48:44,840 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:48:44,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:48:44,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:48:44,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:48:44,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:48:44" (1/1) ... [2019-11-24 10:48:44,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc79333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:44, skipping insertion in model container [2019-11-24 10:48:44,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:48:44" (1/1) ... [2019-11-24 10:48:44,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:48:45,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:48:46,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:48:46,486 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:48:47,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:48:47,298 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:48:47,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47 WrapperNode [2019-11-24 10:48:47,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:48:47,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:48:47,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:48:47,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:48:47,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:48:47,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:48:47,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:48:47,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:48:47,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (1/1) ... [2019-11-24 10:48:47,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:48:47,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:48:47,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:48:47,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:48:47,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:48:47" (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 10:48:48,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:48:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start