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/Problem18_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:51:46,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:51:46,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:51:46,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:51:46,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:51:46,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:51:46,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:51:46,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:51:46,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:51:46,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:51:46,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:51:46,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:51:46,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:51:46,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:51:46,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:51:46,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:51:46,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:51:46,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:51:46,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:51:46,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:51:46,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:51:46,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:51:46,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:51:46,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:51:46,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:51:46,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:51:46,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:51:46,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:51:46,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:51:46,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:51:46,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:51:46,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:51:46,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:51:46,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:51:46,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:51:47,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:51:47,001 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 [2019-10-13 23:51:47,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:51:47,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:51:47,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:51:47,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:51:47,030 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:51:47,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:51:47,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:51:47,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:51:47,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:51:47,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:51:47,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:51:47,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:51:47,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:51:47,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:51:47,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:51:47,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:51:47,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:51:47,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:51:47,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:51:47,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:51:47,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:51:47,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:51:47,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:51:47,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:51:47,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:51:47,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:51:47,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:51:47,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:51:47,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-13 23:51:47,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:51:47,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:51:47,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:51:47,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:51:47,335 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:51:47,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label18.c [2019-10-13 23:51:47,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4923623e2/35f0985e37c143c581930f6d737b8b80/FLAG748ffe69b [2019-10-13 23:51:48,131 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:51:48,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label18.c [2019-10-13 23:51:48,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4923623e2/35f0985e37c143c581930f6d737b8b80/FLAG748ffe69b [2019-10-13 23:51:48,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4923623e2/35f0985e37c143c581930f6d737b8b80 [2019-10-13 23:51:48,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:51:48,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:51:48,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:51:48,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:51:48,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:51:48,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:48" (1/1) ... [2019-10-13 23:51:48,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e1afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:48, skipping insertion in model container [2019-10-13 23:51:48,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:48" (1/1) ... [2019-10-13 23:51:48,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:51:48,428 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:51:49,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:51:49,644 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:51:50,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:51:50,324 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:51:50,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50 WrapperNode [2019-10-13 23:51:50,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:51:50,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:51:50,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:51:50,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:51:50,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (1/1) ... [2019-10-13 23:51:50,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:51:50,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:51:50,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:51:50,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:51:50,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:50" (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 [2019-10-13 23:51:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:51:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 23:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-13 23:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-13 23:51:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:51:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 23:51:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-13 23:51:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-13 23:51:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:51:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:51:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 23:51:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:51:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:51:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:51:54,595 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:51:54,595 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:51:54,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:54 BoogieIcfgContainer [2019-10-13 23:51:54,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:51:54,601 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:51:54,601 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:51:54,601 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:51:54,602 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:54" (1/1) ... [2019-10-13 23:51:54,819 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)