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/Problem16_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 10:34:19,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 10:34:19,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 10:34:19,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 10:34:19,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 10:34:19,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 10:34:19,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 10:34:19,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 10:34:19,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 10:34:19,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 10:34:19,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 10:34:19,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 10:34:19,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 10:34:19,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 10:34:19,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 10:34:19,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 10:34:19,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 10:34:19,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 10:34:19,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 10:34:19,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 10:34:19,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 10:34:19,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 10:34:19,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 10:34:19,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 10:34:19,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 10:34:19,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 10:34:19,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 10:34:19,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 10:34:19,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 10:34:19,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 10:34:19,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 10:34:19,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 10:34:19,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 10:34:19,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 10:34:19,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 10:34:19,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 10:34:19,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 10:34:19,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 10:34:19,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 10:34:19,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 10:34:19,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 10:34:19,702 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 [2019-09-11 10:34:19,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 10:34:19,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 10:34:19,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 10:34:19,720 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 10:34:19,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 10:34:19,721 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 10:34:19,721 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 10:34:19,721 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 10:34:19,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 10:34:19,721 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 10:34:19,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 10:34:19,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 10:34:19,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 10:34:19,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 10:34:19,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 10:34:19,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 10:34:19,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 10:34:19,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 10:34:19,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 10:34:19,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 10:34:19,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 10:34:19,726 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 10:34:19,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 10:34:19,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 10:34:19,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 10:34:19,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 10:34:19,729 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 10:34:19,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 10:34:19,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 10:34:19,730 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 10:34:19,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 10:34:19,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 10:34:19,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 10:34:19,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 10:34:19,781 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 10:34:19,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label33.c [2019-09-11 10:34:19,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b65a1a8/5fb34c968926454b8638a97b32d598cd/FLAGb3caf13b0 [2019-09-11 10:34:20,475 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 10:34:20,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label33.c [2019-09-11 10:34:20,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b65a1a8/5fb34c968926454b8638a97b32d598cd/FLAGb3caf13b0 [2019-09-11 10:34:20,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b65a1a8/5fb34c968926454b8638a97b32d598cd [2019-09-11 10:34:20,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 10:34:20,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 10:34:20,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 10:34:20,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 10:34:20,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 10:34:20,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 10:34:20" (1/1) ... [2019-09-11 10:34:20,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e8182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:20, skipping insertion in model container [2019-09-11 10:34:20,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 10:34:20" (1/1) ... [2019-09-11 10:34:20,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 10:34:20,780 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 10:34:21,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 10:34:21,556 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 10:34:21,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 10:34:21,871 INFO L192 MainTranslator]: Completed translation [2019-09-11 10:34:21,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21 WrapperNode [2019-09-11 10:34:21,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 10:34:21,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 10:34:21,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 10:34:21,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 10:34:21,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:21,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:21,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:21,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:22,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:22,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:22,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (1/1) ... [2019-09-11 10:34:22,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 10:34:22,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 10:34:22,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 10:34:22,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 10:34:22,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 10:34:21" (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 [2019-09-11 10:34:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 10:34:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 10:34:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-11 10:34:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-11 10:34:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 10:34:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-11 10:34:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-11 10:34:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 10:34:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 10:34:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-11 10:34:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 10:34:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 10:34:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 10:34:24,728 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 10:34:24,729 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 10:34:24,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 10:34:24 BoogieIcfgContainer [2019-09-11 10:34:24,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 10:34:24,735 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 10:34:24,736 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 10:34:24,736 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 10:34:24,737 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 10:34:24" (1/1) ... [2019-09-11 10:34:24,828 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 10:34:30,659 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.