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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:51:55,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:51:55,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:51:55,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:51:55,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:51:55,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:51:55,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:51:55,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:51:55,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:51:55,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:51:55,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:51:55,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:51:55,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:51:55,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:51:55,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:51:55,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:51:55,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:51:55,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:51:55,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:51:55,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:51:55,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:51:55,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:51:55,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:51:55,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:51:55,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:51:55,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:51:55,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:51:55,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:51:55,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:51:55,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:51:55,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:51:55,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:51:55,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:51:55,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:51:55,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:51:55,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:51:55,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:51:55,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:51:55,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:51:55,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:51:55,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:51:55,584 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 23:51:55,607 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:51:55,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:51:55,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:51:55,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:51:55,609 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:51:55,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:51:55,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:51:55,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:51:55,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:51:55,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:51:55,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:51:55,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:51:55,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:51:55,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:51:55,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:51:55,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:51:55,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:51:55,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:51:55,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:51:55,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:51:55,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:51:55,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:51:55,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:51:55,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:51:55,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:51:55,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:51:55,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:51:55,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:51:55,613 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 23:51:55,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:51:55,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:51:55,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:51:55,928 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:51:55,929 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:51:55,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label23.c [2019-10-13 23:51:56,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638fd4588/c1d6c01b70984c29b1d8eb286bea872f/FLAG9f00edbec [2019-10-13 23:51:56,766 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:51:56,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label23.c [2019-10-13 23:51:56,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638fd4588/c1d6c01b70984c29b1d8eb286bea872f/FLAG9f00edbec [2019-10-13 23:51:56,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/638fd4588/c1d6c01b70984c29b1d8eb286bea872f [2019-10-13 23:51:56,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:51:56,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:51:56,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:51:56,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:51:56,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:51:56,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:56" (1/1) ... [2019-10-13 23:51:56,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5bf3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:56, skipping insertion in model container [2019-10-13 23:51:56,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:56" (1/1) ... [2019-10-13 23:51:56,886 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:51:57,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:51:58,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:51:58,702 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:51:59,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:51:59,195 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:51:59,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59 WrapperNode [2019-10-13 23:51:59,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:51:59,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:51:59,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:51:59,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:51:59,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (1/1) ... [2019-10-13 23:51:59,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:51:59,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:51:59,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:51:59,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:51:59,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:59" (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 23:51:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:51:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:51:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 23:51:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-13 23:51:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-13 23:51:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:51:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 23:51:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-13 23:51:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-13 23:51:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:51:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:51:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 23:51:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:51:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:51:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:52:03,511 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:52:03,512 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:52:03,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:52:03 BoogieIcfgContainer [2019-10-13 23:52:03,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:52:03,515 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:52:03,515 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:52:03,515 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:52:03,516 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:52:03" (1/1) ... [2019-10-13 23:52:03,618 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)