/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:56:50,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:56:50,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:56:50,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:56:50,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:56:50,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:56:50,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:56:50,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:56:50,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:56:50,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:56:50,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:56:50,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:56:50,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:56:50,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:56:50,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:56:50,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:56:50,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:56:50,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:56:50,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:56:50,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:56:50,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:56:50,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:56:50,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:56:50,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:56:50,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:56:50,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:56:50,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:56:50,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:56:50,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:56:50,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:56:50,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:56:50,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:56:50,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:56:50,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:56:50,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:56:50,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:56:50,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:56:50,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:56:50,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:56:50,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:56:50,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:56:50,629 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 04:56:50,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:56:50,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:56:50,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:56:50,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:56:50,665 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:56:50,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:56:50,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:56:50,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:56:50,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:56:50,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:56:50,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:56:50,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:56:50,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:56:50,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:56:50,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:56:50,670 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:56:50,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:56:50,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:56:50,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:56:50,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:56:50,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:56:50,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:56:50,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:56:50,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:56:50,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:56:50,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:56:50,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:56:50,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:56:50,673 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 04:56:50,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:56:50,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:56:50,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:56:50,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:56:50,969 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:56:50,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-11-07 04:56:51,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207d72cd2/3a7a8ac6c5834a93ad2f6c397e622741/FLAG91810fe5f [2019-11-07 04:56:51,607 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:56:51,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-11-07 04:56:51,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207d72cd2/3a7a8ac6c5834a93ad2f6c397e622741/FLAG91810fe5f [2019-11-07 04:56:51,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207d72cd2/3a7a8ac6c5834a93ad2f6c397e622741 [2019-11-07 04:56:51,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:56:51,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:56:51,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:56:51,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:56:51,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:56:51,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:51" (1/1) ... [2019-11-07 04:56:51,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c4359a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51, skipping insertion in model container [2019-11-07 04:56:51,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:51" (1/1) ... [2019-11-07 04:56:51,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:56:51,978 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:56:52,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:56:52,479 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:56:52,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:56:52,651 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:56:52,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52 WrapperNode [2019-11-07 04:56:52,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:56:52,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:56:52,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:56:52,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:56:52,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:56:52,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:56:52,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:56:52,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:56:52,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:52" (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 04:56:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:56:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:56:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 04:56:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:56:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 04:56:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:56:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:56:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 04:56:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:56:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:56:52,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:56:54,051 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:56:54,051 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 04:56:54,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:54 BoogieIcfgContainer [2019-11-07 04:56:54,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:56:54,053 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 04:56:54,053 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 04:56:54,054 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 04:56:54,055 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:54" (1/1) ... [2019-11-07 04:56:54,100 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)