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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 09:38:18,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 09:38:18,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 09:38:18,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 09:38:18,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 09:38:18,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 09:38:18,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 09:38:18,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 09:38:18,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 09:38:18,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 09:38:18,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 09:38:18,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 09:38:18,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 09:38:18,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 09:38:18,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 09:38:18,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 09:38:18,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 09:38:18,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 09:38:18,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 09:38:18,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 09:38:18,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 09:38:18,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 09:38:18,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 09:38:18,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 09:38:18,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 09:38:18,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 09:38:18,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 09:38:18,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 09:38:18,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 09:38:18,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 09:38:18,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 09:38:18,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 09:38:18,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 09:38:18,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 09:38:18,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 09:38:18,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 09:38:18,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 09:38:18,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 09:38:18,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 09:38:18,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 09:38:18,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 09:38:18,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 09:38:18,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 09:38:18,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 09:38:18,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 09:38:18,618 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 09:38:18,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 09:38:18,619 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 09:38:18,619 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 09:38:18,619 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 09:38:18,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 09:38:18,619 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 09:38:18,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 09:38:18,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 09:38:18,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 09:38:18,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 09:38:18,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 09:38:18,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 09:38:18,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 09:38:18,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 09:38:18,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 09:38:18,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 09:38:18,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 09:38:18,622 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 09:38:18,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 09:38:18,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 09:38:18,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 09:38:18,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 09:38:18,623 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 09:38:18,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 09:38:18,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 09:38:18,624 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 09:38:18,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 09:38:18,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 09:38:18,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 09:38:18,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 09:38:18,669 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 09:38:18,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label23.c [2019-10-03 09:38:18,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac3e36aa/2df9423ef50941929cc00b48c0d1f6c4/FLAG4cdef6881 [2019-10-03 09:38:19,367 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 09:38:19,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label23.c [2019-10-03 09:38:19,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac3e36aa/2df9423ef50941929cc00b48c0d1f6c4/FLAG4cdef6881 [2019-10-03 09:38:19,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac3e36aa/2df9423ef50941929cc00b48c0d1f6c4 [2019-10-03 09:38:19,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 09:38:19,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 09:38:19,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 09:38:19,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 09:38:19,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 09:38:19,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 09:38:19" (1/1) ... [2019-10-03 09:38:19,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283534bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:19, skipping insertion in model container [2019-10-03 09:38:19,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 09:38:19" (1/1) ... [2019-10-03 09:38:19,581 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 09:38:19,668 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 09:38:20,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 09:38:20,553 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 09:38:20,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 09:38:20,958 INFO L192 MainTranslator]: Completed translation [2019-10-03 09:38:20,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20 WrapperNode [2019-10-03 09:38:20,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 09:38:20,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 09:38:20,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 09:38:20,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 09:38:20,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:20,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:21,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:21,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:21,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:21,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:21,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (1/1) ... [2019-10-03 09:38:21,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 09:38:21,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 09:38:21,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 09:38:21,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 09:38:21,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 09:38:20" (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 [2019-10-03 09:38:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 09:38:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 09:38:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 09:38:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 09:38:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 09:38:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 09:38:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 09:38:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 09:38:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 09:38:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 09:38:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 09:38:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 09:38:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 09:38:24,265 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 09:38:24,266 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 09:38:24,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:38:24 BoogieIcfgContainer [2019-10-03 09:38:24,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 09:38:24,274 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 09:38:24,275 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 09:38:24,275 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 09:38:24,277 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:38:24" (1/1) ... [2019-10-03 09:38:24,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 09:38:27,044 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.