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/Problem10_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:47:11,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:47:11,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:47:11,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:47:11,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:47:11,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:47:11,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:47:11,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:47:11,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:47:11,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:47:11,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:47:11,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:47:11,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:47:11,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:47:11,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:47:11,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:47:11,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:47:11,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:47:11,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:47:11,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:47:11,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:47:11,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:47:11,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:47:11,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:47:11,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 03:47:11,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:47:11,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:47:11,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:47:11,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:47:11,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:47:11,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:47:11,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:47:11,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:47:11,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:47:11,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:47:11,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:47:11,990 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 03:47:12,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:47:12,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:47:12,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:47:12,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:47:12,018 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:47:12,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:47:12,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:47:12,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:47:12,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:47:12,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:47:12,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:47:12,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:47:12,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:47:12,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:47:12,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:47:12,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:47:12,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:47:12,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:47:12,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:47:12,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:47:12,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:47:12,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:47:12,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:47:12,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:47:12,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:47:12,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:47:12,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:47:12,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:47:12,030 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 03:47:12,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:47:12,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:47:12,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:47:12,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:47:12,342 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:47:12,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2019-10-15 03:47:12,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ff3fc93c/0d96c144f768435da135e49fd6f54556/FLAGca879b1d6 [2019-10-15 03:47:12,985 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:47:12,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label53.c [2019-10-15 03:47:13,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ff3fc93c/0d96c144f768435da135e49fd6f54556/FLAGca879b1d6 [2019-10-15 03:47:13,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ff3fc93c/0d96c144f768435da135e49fd6f54556 [2019-10-15 03:47:13,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:47:13,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:47:13,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:47:13,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:47:13,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:47:13,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:47:13" (1/1) ... [2019-10-15 03:47:13,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39aa9343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:13, skipping insertion in model container [2019-10-15 03:47:13,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:47:13" (1/1) ... [2019-10-15 03:47:13,318 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:47:13,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:47:13,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:47:13,949 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:47:14,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:47:14,145 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:47:14,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14 WrapperNode [2019-10-15 03:47:14,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:47:14,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:47:14,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:47:14,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:47:14,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (1/1) ... [2019-10-15 03:47:14,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:47:14,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:47:14,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:47:14,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:47:14,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:47:14" (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 03:47:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:47:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:47:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 03:47:14,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:47:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 03:47:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:47:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:47:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 03:47:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:47:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:47:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:47:15,667 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:47:15,668 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 03:47:15,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:47:15 BoogieIcfgContainer [2019-10-15 03:47:15,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:47:15,670 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 03:47:15,671 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 03:47:15,671 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 03:47:15,672 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:47:15" (1/1) ... [2019-10-15 03:47:15,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 03:47:20,481 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.