/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_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:11:01,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:11:01,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:11:01,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:11:01,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:11:01,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:11:01,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:11:01,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:11:01,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:11:01,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:11:01,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:11:01,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:11:01,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:11:01,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:11:01,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:11:01,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:11:01,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:11:01,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:11:01,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:11:01,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:11:01,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:11:01,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:11:01,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:11:01,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:11:01,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:11:01,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:11:01,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:11:01,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:11:01,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:11:01,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:11:01,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:11:01,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:11:01,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:11:01,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:11:01,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:11:01,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:11:01,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:11:01,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:11:01,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:11:01,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:11:01,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:11:01,548 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 05:11:01,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:11:01,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:11:01,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:11:01,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:11:01,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:11:01,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:11:01,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:11:01,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:11:01,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:11:01,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:11:01,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:11:01,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:11:01,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:11:01,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:11:01,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:11:01,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:11:01,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:11:01,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:11:01,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:11:01,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:11:01,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:11:01,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:11:01,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:11:01,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:11:01,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:11:01,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:11:01,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:11:01,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:11:01,578 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 05:11:01,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:11:01,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:11:01,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:11:01,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:11:01,902 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:11:01,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label22.c [2019-11-07 05:11:01,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03b56105/1ebdc2429ad94acbbe3450e955de49b8/FLAG74b6401ad [2019-11-07 05:11:02,736 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:11:02,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label22.c [2019-11-07 05:11:02,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03b56105/1ebdc2429ad94acbbe3450e955de49b8/FLAG74b6401ad [2019-11-07 05:11:02,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03b56105/1ebdc2429ad94acbbe3450e955de49b8 [2019-11-07 05:11:02,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:11:02,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:11:02,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:11:02,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:11:02,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:11:02,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:11:02" (1/1) ... [2019-11-07 05:11:02,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36495e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:02, skipping insertion in model container [2019-11-07 05:11:02,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:11:02" (1/1) ... [2019-11-07 05:11:02,854 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:11:03,039 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:11:04,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:11:04,637 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:11:05,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:11:05,331 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:11:05,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05 WrapperNode [2019-11-07 05:11:05,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:11:05,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:11:05,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:11:05,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:11:05,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (1/1) ... [2019-11-07 05:11:05,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:11:05,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:11:05,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:11:05,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:11:05,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:11:05" (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 05:11:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:11:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:11:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:11:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 05:11:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-07 05:11:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-07 05:11:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:11:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:11:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 05:11:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-07 05:11:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-07 05:11:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:11:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:11:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:11:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:11:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:11:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:11:10,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:11:10,202 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:11:10,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:11:10 BoogieIcfgContainer [2019-11-07 05:11:10,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:11:10,205 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:11:10,205 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:11:10,205 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:11:10,206 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:11:10" (1/1) ... [2019-11-07 05:11:10,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)