/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/Problem11_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:21:04,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:21:04,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:21:04,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:21:04,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:21:04,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:21:04,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:21:04,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:21:04,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:21:04,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:21:04,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:21:04,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:21:04,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:21:04,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:21:04,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:21:04,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:21:04,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:21:04,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:21:04,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:21:04,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:21:04,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:21:04,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:21:04,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:21:04,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:21:04,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:21:04,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:21:04,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:21:04,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:21:04,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:21:04,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:21:04,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:21:04,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:21:04,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:21:04,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:21:04,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:21:04,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:21:04,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:21:04,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:21:04,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:21:04,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:21:04,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:21:04,507 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 05:21:04,542 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:21:04,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:21:04,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:21:04,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:21:04,544 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:21:04,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:21:04,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:21:04,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:21:04,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:21:04,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:21:04,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:21:04,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:21:04,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:21:04,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:21:04,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:21:04,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:21:04,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:21:04,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:21:04,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:21:04,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:21:04,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:21:04,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:21:04,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:21:04,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:21:04,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:21:04,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:21:04,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:21:04,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:21:04,550 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 05:21:04,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:21:04,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:21:04,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:21:04,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:21:04,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:21:04,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label23.c [2019-11-07 05:21:04,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dbf6617/3806051e5ba645d9bcf9309841fadaa5/FLAGd91772c3c [2019-11-07 05:21:05,553 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:21:05,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label23.c [2019-11-07 05:21:05,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dbf6617/3806051e5ba645d9bcf9309841fadaa5/FLAGd91772c3c [2019-11-07 05:21:05,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10dbf6617/3806051e5ba645d9bcf9309841fadaa5 [2019-11-07 05:21:05,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:21:05,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:21:05,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:21:05,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:21:05,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:21:05,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:05" (1/1) ... [2019-11-07 05:21:05,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e77e8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:05, skipping insertion in model container [2019-11-07 05:21:05,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:05" (1/1) ... [2019-11-07 05:21:05,792 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:21:05,859 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:21:06,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:21:06,514 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:21:06,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:21:06,704 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:21:06,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06 WrapperNode [2019-11-07 05:21:06,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:21:06,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:21:06,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:21:06,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:21:06,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:21:06,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:21:06,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:21:06,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:21:06,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06" (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 05:21:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:21:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:21:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:21:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:21:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:21:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:21:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:21:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:21:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:21:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:21:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:21:08,820 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:21:08,822 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:21:08,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:08 BoogieIcfgContainer [2019-11-07 05:21:08,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:21:08,825 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:21:08,825 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:21:08,825 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:21:08,826 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:08" (1/1) ... [2019-11-07 05:21:08,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)