/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/Problem02_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:01:25,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:01:25,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:01:25,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:01:25,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:01:25,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:01:25,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:01:25,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:01:25,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:01:25,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:01:25,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:01:25,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:01:25,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:01:25,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:01:25,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:01:25,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:01:25,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:01:25,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:01:25,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:01:25,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:01:25,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:01:25,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:01:25,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:01:25,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:01:25,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 05:01:25,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:01:25,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:01:25,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:01:25,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:01:25,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:01:25,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:01:25,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:01:25,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:01:25,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:01:25,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:01:25,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:01:25,608 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 05:01:25,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:01:25,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:01:25,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:01:25,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:01:25,638 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:01:25,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:01:25,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:01:25,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:01:25,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:01:25,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:01:25,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:01:25,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:01:25,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:01:25,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:01:25,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:01:25,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:01:25,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:01:25,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:01:25,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:01:25,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:01:25,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:01:25,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:01:25,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:01:25,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:01:25,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:01:25,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:01:25,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:01:25,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:01:25,644 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 05:01:25,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:01:25,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:01:25,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:01:25,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:01:25,961 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:01:25,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2019-11-07 05:01:26,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b907eba/33b6f9786c7d4c87b6604fbe6643c6fe/FLAG06a67e28b [2019-11-07 05:01:26,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:01:26,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02.c [2019-11-07 05:01:26,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b907eba/33b6f9786c7d4c87b6604fbe6643c6fe/FLAG06a67e28b [2019-11-07 05:01:26,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b907eba/33b6f9786c7d4c87b6604fbe6643c6fe [2019-11-07 05:01:26,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:01:26,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:01:26,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:01:26,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:01:26,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:01:26,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:01:26" (1/1) ... [2019-11-07 05:01:26,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30256132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:26, skipping insertion in model container [2019-11-07 05:01:26,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:01:26" (1/1) ... [2019-11-07 05:01:26,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:01:26,959 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:01:27,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:01:27,369 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:01:27,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:01:27,639 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:01:27,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27 WrapperNode [2019-11-07 05:01:27,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:01:27,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:01:27,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:01:27,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:01:27,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (1/1) ... [2019-11-07 05:01:27,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:01:27,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:01:27,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:01:27,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:01:27,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:01:27" (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 05:01:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:01:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:01:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:01:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:01:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:01:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:01:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:01:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:01:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:01:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:01:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:01:29,046 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:01:29,046 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:01:29,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:01:29 BoogieIcfgContainer [2019-11-07 05:01:29,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:01:29,051 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:01:29,051 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:01:29,052 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:01:29,053 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:01:29" (1/1) ... [2019-11-07 05:01:29,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)