/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/Problem04_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:11:49,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:11:49,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:11:49,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:11:49,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:11:49,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:11:49,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:11:49,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:11:49,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:11:49,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:11:49,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:11:49,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:11:49,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:11:49,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:11:49,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:11:49,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:11:49,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:11:49,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:11:49,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:11:49,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:11:49,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:11:49,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:11:49,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:11:49,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:11:49,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:11:49,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:11:49,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:11:49,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:11:49,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:11:49,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:11:49,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:11:49,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:11:49,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:11:49,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:11:49,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:11:49,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:11:49,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:11:49,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:11:49,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:11:49,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:11:49,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:11:49,700 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 05:11:49,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:11:49,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:11:49,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:11:49,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:11:49,724 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:11:49,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:11:49,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:11:49,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:11:49,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:11:49,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:11:49,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:11:49,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:11:49,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:11:49,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:11:49,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:11:49,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:11:49,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:11:49,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:11:49,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:11:49,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:11:49,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:11:49,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:11:49,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:11:49,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:11:49,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:11:49,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:11:49,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:11:49,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:11:49,730 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 05:11:49,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:11:50,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:11:50,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:11:50,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:11:50,009 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:11:50,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label30.c [2019-11-07 05:11:50,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79c7e5ca/a045b7703fd940deb47454ba1af6315f/FLAGa8ca017bd [2019-11-07 05:11:50,867 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:11:50,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label30.c [2019-11-07 05:11:50,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79c7e5ca/a045b7703fd940deb47454ba1af6315f/FLAGa8ca017bd [2019-11-07 05:11:51,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79c7e5ca/a045b7703fd940deb47454ba1af6315f [2019-11-07 05:11:51,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:11:51,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:11:51,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:11:51,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:11:51,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:11:51,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:11:51" (1/1) ... [2019-11-07 05:11:51,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cda43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:51, skipping insertion in model container [2019-11-07 05:11:51,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:11:51" (1/1) ... [2019-11-07 05:11:51,408 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:11:51,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:11:53,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:11:53,161 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:11:53,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:11:53,956 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:11:53,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53 WrapperNode [2019-11-07 05:11:53,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:11:53,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:11:53,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:11:53,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:11:53,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:53,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:54,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:54,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:54,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:54,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:54,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (1/1) ... [2019-11-07 05:11:54,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:11:54,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:11:54,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:11:54,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:11:54,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:53" (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 05:11:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:11:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:11:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:11:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 05:11:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-07 05:11:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-07 05:11:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:11:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:11:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 05:11:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-07 05:11:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-07 05:11:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:11:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:11:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:11:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:11:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:11:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:11:59,009 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:11:59,009 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:11:59,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:11:59 BoogieIcfgContainer [2019-11-07 05:11:59,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:11:59,014 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:11:59,015 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:11:59,015 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:11:59,016 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:11:59" (1/1) ... [2019-11-07 05:11:59,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)