/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/Problem01_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:56:48,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:56:48,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:56:48,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:56:48,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:56:48,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:56:48,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:56:48,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:56:48,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:56:48,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:56:48,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:56:48,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:56:48,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:56:48,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:56:48,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:56:48,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:56:48,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:56:48,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:56:48,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:56:48,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:56:48,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:56:48,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:56:48,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:56:48,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:56:48,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:56:48,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:56:48,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:56:48,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:56:48,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:56:48,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:56:48,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:56:48,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:56:48,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:56:48,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:56:48,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:56:48,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:56:48,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:56:48,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:56:48,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:56:48,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:56:48,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:56:48,714 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 04:56:48,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:56:48,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:56:48,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:56:48,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:56:48,730 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:56:48,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:56:48,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:56:48,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:56:48,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:56:48,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:56:48,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:56:48,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:56:48,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:56:48,732 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:56:48,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:56:48,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:56:48,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:56:48,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:56:48,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:56:48,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:56:48,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:56:48,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:56:48,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:56:48,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:56:48,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:56:48,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:56:48,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:56:48,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:56:48,735 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 04:56:49,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:56:49,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:56:49,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:56:49,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:56:49,062 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:56:49,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2019-11-07 04:56:49,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7322988/ba4325dd90f5494583986b7ef8c08039/FLAGd417f7168 [2019-11-07 04:56:49,696 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:56:49,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2019-11-07 04:56:49,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7322988/ba4325dd90f5494583986b7ef8c08039/FLAGd417f7168 [2019-11-07 04:56:49,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d7322988/ba4325dd90f5494583986b7ef8c08039 [2019-11-07 04:56:49,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:56:49,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:56:49,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:56:49,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:56:49,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:56:49,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:49" (1/1) ... [2019-11-07 04:56:49,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af1b136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:49, skipping insertion in model container [2019-11-07 04:56:49,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:49" (1/1) ... [2019-11-07 04:56:49,968 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:56:50,019 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:56:50,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:56:50,457 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:56:50,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:56:50,695 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:56:50,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50 WrapperNode [2019-11-07 04:56:50,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:56:50,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:56:50,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:56:50,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:56:50,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (1/1) ... [2019-11-07 04:56:50,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:56:50,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:56:50,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:56:50,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:56:50,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:50" (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 [2019-11-07 04:56:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:56:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:56:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 04:56:50,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:56:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 04:56:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:56:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:56:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 04:56:50,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:56:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:56:50,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:56:52,063 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:56:52,063 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 04:56:52,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52 BoogieIcfgContainer [2019-11-07 04:56:52,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:56:52,066 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 04:56:52,066 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 04:56:52,066 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 04:56:52,067 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52" (1/1) ... [2019-11-07 04:56:52,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)