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/Problem04_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 22:33:50,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 22:33:50,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 22:33:50,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 22:33:50,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 22:33:50,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 22:33:50,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 22:33:50,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 22:33:50,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 22:33:50,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 22:33:50,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 22:33:50,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 22:33:50,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 22:33:50,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 22:33:50,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 22:33:50,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 22:33:50,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 22:33:50,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 22:33:50,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 22:33:50,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 22:33:50,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 22:33:50,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 22:33:50,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 22:33:50,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 22:33:50,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 22:33:50,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 22:33:50,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 22:33:50,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 22:33:50,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 22:33:50,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 22:33:50,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 22:33:50,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 22:33:50,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 22:33:50,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 22:33:50,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 22:33:50,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 22:33:50,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 22:33:50,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 22:33:50,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 22:33:50,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 22:33:50,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 22:33:50,762 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 [2019-09-10 22:33:50,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 22:33:50,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 22:33:50,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 22:33:50,785 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 22:33:50,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 22:33:50,786 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 22:33:50,787 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 22:33:50,787 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 22:33:50,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 22:33:50,787 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 22:33:50,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 22:33:50,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 22:33:50,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 22:33:50,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 22:33:50,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 22:33:50,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 22:33:50,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 22:33:50,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 22:33:50,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 22:33:50,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 22:33:50,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 22:33:50,791 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 22:33:50,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 22:33:50,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 22:33:50,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 22:33:50,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 22:33:50,793 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 22:33:50,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 22:33:50,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 22:33:50,793 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 22:33:50,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 22:33:50,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 22:33:50,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 22:33:50,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 22:33:50,877 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 22:33:50,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label15.c [2019-09-10 22:33:50,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d6245aa/a419cf3e514b444983d9ba8d9bf88af7/FLAG08978774f [2019-09-10 22:33:51,723 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 22:33:51,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label15.c [2019-09-10 22:33:51,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d6245aa/a419cf3e514b444983d9ba8d9bf88af7/FLAG08978774f [2019-09-10 22:33:51,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89d6245aa/a419cf3e514b444983d9ba8d9bf88af7 [2019-09-10 22:33:51,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 22:33:51,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 22:33:51,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 22:33:51,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 22:33:51,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 22:33:51,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:33:51" (1/1) ... [2019-09-10 22:33:51,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3424dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:51, skipping insertion in model container [2019-09-10 22:33:51,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:33:51" (1/1) ... [2019-09-10 22:33:51,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 22:33:52,008 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 22:33:53,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 22:33:53,495 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 22:33:54,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 22:33:54,325 INFO L192 MainTranslator]: Completed translation [2019-09-10 22:33:54,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54 WrapperNode [2019-09-10 22:33:54,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 22:33:54,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 22:33:54,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 22:33:54,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 22:33:54,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (1/1) ... [2019-09-10 22:33:54,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 22:33:54,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 22:33:54,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 22:33:54,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 22:33:54,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:54" (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 [2019-09-10 22:33:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 22:33:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 22:33:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-10 22:33:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-10 22:33:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-10 22:33:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-10 22:33:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 22:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-10 22:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-10 22:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-10 22:33:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-10 22:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 22:33:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 22:33:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 22:33:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 22:33:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 22:33:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 22:33:59,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 22:33:59,293 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 22:33:59,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:33:59 BoogieIcfgContainer [2019-09-10 22:33:59,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 22:33:59,296 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 22:33:59,296 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 22:33:59,296 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 22:33:59,298 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:33:59" (1/1) ... [2019-09-10 22:33:59,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)