/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/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:00:30,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:00:30,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:00:30,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:00:30,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:00:30,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:00:30,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:00:30,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:00:30,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:00:30,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:00:30,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:00:30,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:00:30,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:00:30,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:00:30,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:00:30,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:00:30,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:00:30,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:00:30,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:00:30,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:00:30,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:00:30,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:00:30,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:00:30,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:00:30,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 05:00:30,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:00:30,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:00:30,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:00:30,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:00:30,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:00:30,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:00:30,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:00:30,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:00:30,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:00:30,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:00:30,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:00:30,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 05:00:30,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:00:30,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:00:30,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:00:30,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:00:30,326 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:00:30,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:00:30,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:00:30,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:00:30,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:00:30,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:00:30,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:00:30,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:00:30,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:00:30,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:00:30,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:00:30,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:00:30,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:00:30,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:00:30,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:00:30,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:00:30,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:00:30,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:00:30,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:00:30,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:00:30,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:00:30,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:00:30,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:00:30,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:00:30,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 05:00:30,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:00:30,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:00:30,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:00:30,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:00:30,640 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:00:30,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label52.c [2019-11-07 05:00:30,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5384c9e6d/5c213b52583c43edb7ee179e4e953a0d/FLAGfdd03765b [2019-11-07 05:00:31,277 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:00:31,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label52.c [2019-11-07 05:00:31,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5384c9e6d/5c213b52583c43edb7ee179e4e953a0d/FLAGfdd03765b [2019-11-07 05:00:31,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5384c9e6d/5c213b52583c43edb7ee179e4e953a0d [2019-11-07 05:00:31,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:00:31,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:00:31,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:00:31,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:00:31,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:00:31,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:00:31" (1/1) ... [2019-11-07 05:00:31,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e733c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:31, skipping insertion in model container [2019-11-07 05:00:31,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:00:31" (1/1) ... [2019-11-07 05:00:31,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:00:31,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:00:32,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:00:32,035 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:00:32,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:00:32,287 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:00:32,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32 WrapperNode [2019-11-07 05:00:32,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:00:32,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:00:32,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:00:32,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:00:32,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (1/1) ... [2019-11-07 05:00:32,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:00:32,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:00:32,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:00:32,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:00:32,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:00:32" (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 [2019-11-07 05:00:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:00:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:00:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:00:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:00:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:00:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:00:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:00:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:00:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:00:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:00:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:00:33,616 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:00:33,616 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:00:33,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:00:33 BoogieIcfgContainer [2019-11-07 05:00:33,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:00:33,619 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:00:33,619 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:00:33,620 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:00:33,620 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:00:33" (1/1) ... [2019-11-07 05:00:33,662 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)