/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/Problem10_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:17:44,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:17:44,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:17:44,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:17:44,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:17:44,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:17:44,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:17:44,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:17:44,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:17:44,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:17:44,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:17:44,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:17:44,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:17:44,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:17:44,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:17:44,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:17:44,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:17:44,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:17:44,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:17:44,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:17:44,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:17:44,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:17:44,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:17:44,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:17:44,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:17:44,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:17:44,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:17:44,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:17:44,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:17:44,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:17:44,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:17:44,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:17:44,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:17:44,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:17:44,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:17:44,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:17:44,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:17:44,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:17:44,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:17:44,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:17:44,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:17:44,638 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 05:17:44,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:17:44,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:17:44,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:17:44,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:17:44,665 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:17:44,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:17:44,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:17:44,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:17:44,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:17:44,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:17:44,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:17:44,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:17:44,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:17:44,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:17:44,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:17:44,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:17:44,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:17:44,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:17:44,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:17:44,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:17:44,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:17:44,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:17:44,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:17:44,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:17:44,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:17:44,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:17:44,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:17:44,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:17:44,671 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 05:17:44,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:17:44,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:17:44,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:17:44,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:17:44,968 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:17:44,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label48.c [2019-11-07 05:17:45,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4052606c/0b380ad36733424a824695d87584d428/FLAGa9eebb856 [2019-11-07 05:17:45,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:17:45,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label48.c [2019-11-07 05:17:45,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4052606c/0b380ad36733424a824695d87584d428/FLAGa9eebb856 [2019-11-07 05:17:45,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4052606c/0b380ad36733424a824695d87584d428 [2019-11-07 05:17:45,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:17:45,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:17:45,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:17:45,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:17:45,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:17:45,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:17:45" (1/1) ... [2019-11-07 05:17:45,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d9e582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:45, skipping insertion in model container [2019-11-07 05:17:45,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:17:45" (1/1) ... [2019-11-07 05:17:45,900 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:17:45,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:17:46,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:17:46,488 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:17:46,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:17:46,624 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:17:46,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46 WrapperNode [2019-11-07 05:17:46,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:17:46,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:17:46,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:17:46,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:17:46,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (1/1) ... [2019-11-07 05:17:46,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:17:46,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:17:46,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:17:46,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:17:46,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:17:46" (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 05:17:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:17:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:17:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:17:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:17:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:17:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:17:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:17:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:17:48,142 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:17:48,144 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:17:48,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:17:48 BoogieIcfgContainer [2019-11-07 05:17:48,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:17:48,146 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:17:48,146 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:17:48,147 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:17:48,147 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:17:48" (1/1) ... [2019-11-07 05:17:48,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 05:17:52,256 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.