/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/Problem16_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:32:26,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:32:26,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:32:26,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:32:26,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:32:26,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:32:26,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:32:26,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:32:26,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:32:26,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:32:26,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:32:26,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:32:26,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:32:26,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:32:26,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:32:26,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:32:26,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:32:26,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:32:26,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:32:26,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:32:26,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:32:26,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:32:26,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:32:26,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:32:26,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:32:26,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:32:26,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:32:26,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:32:26,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:32:26,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:32:26,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:32:26,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:32:26,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:32:26,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:32:26,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:32:26,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:32:26,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:32:26,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:32:26,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:32:26,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:32:26,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:32:26,598 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 05:32:26,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:32:26,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:32:26,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:32:26,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:32:26,621 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:32:26,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:32:26,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:32:26,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:32:26,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:32:26,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:32:26,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:32:26,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:32:26,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:32:26,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:32:26,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:32:26,623 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:32:26,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:32:26,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:32:26,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:32:26,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:32:26,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:32:26,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:32:26,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:32:26,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:32:26,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:32:26,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:32:26,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:32:26,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:32:26,626 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 05:32:26,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:32:26,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:32:26,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:32:26,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:32:26,944 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:32:26,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label17.c [2019-11-07 05:32:27,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc23f79c/56f7bcd59bc24b8691daad344eb878fd/FLAG42a42a5fb [2019-11-07 05:32:27,613 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:32:27,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label17.c [2019-11-07 05:32:27,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc23f79c/56f7bcd59bc24b8691daad344eb878fd/FLAG42a42a5fb [2019-11-07 05:32:27,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc23f79c/56f7bcd59bc24b8691daad344eb878fd [2019-11-07 05:32:27,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:32:27,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:32:27,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:32:27,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:32:27,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:32:27,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:32:27" (1/1) ... [2019-11-07 05:32:27,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab07c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:27, skipping insertion in model container [2019-11-07 05:32:27,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:32:27" (1/1) ... [2019-11-07 05:32:27,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:32:27,965 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:32:28,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:32:28,775 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:32:29,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:32:29,032 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:32:29,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29 WrapperNode [2019-11-07 05:32:29,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:32:29,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:32:29,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:32:29,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:32:29,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (1/1) ... [2019-11-07 05:32:29,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:32:29,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:32:29,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:32:29,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:32:29,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:32:29" (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 05:32:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:32:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:32:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:32:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 05:32:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:32:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:32:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 05:32:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:32:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:32:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:32:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:32:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:32:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:32:31,635 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:32:31,636 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:32:31,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:32:31 BoogieIcfgContainer [2019-11-07 05:32:31,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:32:31,638 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:32:31,638 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:32:31,639 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:32:31,639 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:32:31" (1/1) ... [2019-11-07 05:32:31,759 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 05:32:37,344 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.