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/Problem14_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:52:46,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:52:46,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:52:46,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:52:46,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:52:46,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:52:46,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:52:46,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:52:46,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:52:46,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:52:46,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:52:46,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:52:46,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:52:46,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:52:46,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:52:46,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:52:46,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:52:46,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:52:46,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:52:46,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:52:46,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:52:46,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:52:46,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:52:46,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:52:46,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:52:46,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:52:46,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:52:46,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:52:46,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:52:46,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:52:46,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:52:46,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:52:46,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:52:46,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:52:46,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:52:46,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:52:46,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:52:46,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:52:46,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:52:46,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:52:46,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:52:46,928 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 [2019-10-15 03:52:46,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:52:46,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:52:46,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:52:46,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:52:46,945 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:52:46,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:52:46,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:52:46,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:52:46,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:52:46,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:52:46,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:52:46,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:52:46,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:52:46,947 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:52:46,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:52:46,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:52:46,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:52:46,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:52:46,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:52:46,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:52:46,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:52:46,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:52:46,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:52:46,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:52:46,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:52:46,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:52:46,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:52:46,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:52:46,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 03:52:47,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:52:47,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:52:47,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:52:47,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:52:47,253 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:52:47,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label35.c [2019-10-15 03:52:47,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1eb3bb99/3fd38cbfa56b4ec0be2799c60e825cc2/FLAG9f832037f [2019-10-15 03:52:47,928 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:52:47,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label35.c [2019-10-15 03:52:47,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1eb3bb99/3fd38cbfa56b4ec0be2799c60e825cc2/FLAG9f832037f [2019-10-15 03:52:48,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1eb3bb99/3fd38cbfa56b4ec0be2799c60e825cc2 [2019-10-15 03:52:48,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:52:48,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:52:48,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:52:48,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:52:48,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:52:48,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:48,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5627da55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48, skipping insertion in model container [2019-10-15 03:52:48,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:48,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:52:48,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:52:48,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:52:48,795 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:52:48,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:52:48,973 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:52:48,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48 WrapperNode [2019-10-15 03:52:48,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:52:48,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:52:48,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:52:48,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:52:48,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:48,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:49,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:49,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:49,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:49,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:49,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (1/1) ... [2019-10-15 03:52:49,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:52:49,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:52:49,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:52:49,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:52:49,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:52:48" (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 [2019-10-15 03:52:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:52:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:52:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 03:52:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:52:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 03:52:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:52:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:52:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:52:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:52:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:52:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:52:50,758 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:52:50,758 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:52:50,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:52:50 BoogieIcfgContainer [2019-10-15 03:52:50,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:52:50,761 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:52:50,761 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:52:50,761 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:52:50,762 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:52:50" (1/1) ... [2019-10-15 03:52:50,810 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 03:53:24,336 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.