/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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:12:40,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:12:40,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:12:40,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:12:40,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:12:40,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:12:40,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:12:40,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:12:40,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:12:40,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:12:40,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:12:40,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:12:40,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:12:40,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:12:40,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:12:40,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:12:40,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:12:40,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:12:40,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:12:40,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:12:40,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:12:40,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:12:40,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:12:40,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:12:40,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 05:12:40,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:12:40,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:12:40,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:12:40,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:12:40,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:12:40,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:12:40,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:12:40,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:12:40,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:12:40,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:12:40,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:12:40,801 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 05:12:40,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:12:40,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:12:40,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:12:40,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:12:40,841 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:12:40,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:12:40,842 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:12:40,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:12:40,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:12:40,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:12:40,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:12:40,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:12:40,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:12:40,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:12:40,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:12:40,843 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:12:40,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:12:40,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:12:40,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:12:40,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:12:40,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:12:40,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:12:40,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:12:40,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:12:40,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:12:40,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:12:40,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:12:40,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:12:40,849 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 05:12:41,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:12:41,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:12:41,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:12:41,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:12:41,132 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:12:41,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label54.c [2019-11-07 05:12:41,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f43b7969/399a1e3a621c4eb0b36ce1e654123900/FLAG0ca0f9737 [2019-11-07 05:12:42,019 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:12:42,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label54.c [2019-11-07 05:12:42,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f43b7969/399a1e3a621c4eb0b36ce1e654123900/FLAG0ca0f9737 [2019-11-07 05:12:42,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f43b7969/399a1e3a621c4eb0b36ce1e654123900 [2019-11-07 05:12:42,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:12:42,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:12:42,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:12:42,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:12:42,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:12:42,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:12:42" (1/1) ... [2019-11-07 05:12:42,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44932c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:42, skipping insertion in model container [2019-11-07 05:12:42,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:12:42" (1/1) ... [2019-11-07 05:12:42,553 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:12:42,712 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:12:44,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:12:44,260 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:12:45,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:12:45,062 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:12:45,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45 WrapperNode [2019-11-07 05:12:45,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:12:45,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:12:45,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:12:45,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:12:45,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (1/1) ... [2019-11-07 05:12:45,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:12:45,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:12:45,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:12:45,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:12:45,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:12:45" (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 05:12:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:12:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:12:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:12:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 05:12:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-11-07 05:12:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-11-07 05:12:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:12:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:12:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 05:12:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-11-07 05:12:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-11-07 05:12:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:12:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:12:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:12:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:12:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:12:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:12:50,012 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:12:50,013 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:12:50,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:12:50 BoogieIcfgContainer [2019-11-07 05:12:50,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:12:50,018 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:12:50,019 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:12:50,019 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:12:50,020 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:12:50" (1/1) ... [2019-11-07 05:12:50,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)