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/Problem12_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:50:36,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:50:36,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:50:36,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:50:36,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:50:36,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:50:36,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:50:36,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:50:36,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:50:36,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:50:36,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:50:36,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:50:36,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:50:36,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:50:36,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:50:36,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:50:36,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:50:36,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:50:36,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:50:36,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:50:36,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:50:36,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:50:36,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:50:36,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:50:36,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:50:36,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:50:36,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:50:36,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:50:36,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:50:36,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:50:36,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:50:36,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:50:36,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:50:36,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:50:36,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:50:36,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:50:36,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:50:36,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:50:36,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:50:36,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:50:36,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:50:36,899 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 03:50:36,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:50:36,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:50:36,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:50:36,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:50:36,915 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:50:36,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:50:36,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:50:36,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:50:36,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:50:36,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:50:36,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:50:36,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:50:36,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:50:36,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:50:36,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:50:36,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:50:36,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:50:36,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:50:36,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:50:36,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:50:36,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:50:36,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:50:36,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:50:36,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:50:36,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:50:36,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:50:36,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:50:36,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:50:36,920 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 03:50:37,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:50:37,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:50:37,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:50:37,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:50:37,219 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:50:37,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label33.c [2019-10-15 03:50:37,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bda2e992/b5d6baf214ec4c4aac8d3458ecad1e56/FLAGfc8d93c43 [2019-10-15 03:50:38,031 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:50:38,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label33.c [2019-10-15 03:50:38,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bda2e992/b5d6baf214ec4c4aac8d3458ecad1e56/FLAGfc8d93c43 [2019-10-15 03:50:38,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bda2e992/b5d6baf214ec4c4aac8d3458ecad1e56 [2019-10-15 03:50:38,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:50:38,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:50:38,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:50:38,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:50:38,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:50:38,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:50:38" (1/1) ... [2019-10-15 03:50:38,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211aa4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:38, skipping insertion in model container [2019-10-15 03:50:38,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:50:38" (1/1) ... [2019-10-15 03:50:38,615 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:50:38,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:50:40,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:50:40,338 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:50:41,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:50:41,085 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:50:41,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41 WrapperNode [2019-10-15 03:50:41,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:50:41,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:50:41,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:50:41,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:50:41,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (1/1) ... [2019-10-15 03:50:41,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:50:41,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:50:41,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:50:41,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:50:41,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:50:41" (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 03:50:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:50:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:50:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 03:50:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 03:50:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 03:50:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-15 03:50:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:50:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 03:50:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 03:50:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 03:50:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-15 03:50:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:50:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:50:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:50:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:50:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:50:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:50:47,042 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:50:47,043 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:50:47,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:50:47 BoogieIcfgContainer [2019-10-15 03:50:47,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:50:47,048 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:50:47,048 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:50:47,049 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:50:47,050 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:50:47" (1/1) ... [2019-10-15 03:50:47,186 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)