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/Problem01_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 05:24:14,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 05:24:14,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 05:24:14,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 05:24:14,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 05:24:14,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 05:24:14,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 05:24:14,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 05:24:14,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 05:24:14,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 05:24:14,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 05:24:14,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 05:24:14,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 05:24:14,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 05:24:14,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 05:24:14,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 05:24:14,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 05:24:14,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 05:24:14,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 05:24:14,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 05:24:14,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 05:24:14,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 05:24:14,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 05:24:14,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 05:24:14,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 05:24:14,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 05:24:14,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 05:24:14,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 05:24:14,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 05:24:14,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 05:24:14,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 05:24:14,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 05:24:14,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 05:24:14,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 05:24:14,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 05:24:14,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 05:24:14,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 05:24:14,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 05:24:14,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 05:24:14,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 05:24:14,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 05:24:14,097 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 05:24:14,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 05:24:14,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 05:24:14,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 05:24:14,124 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 05:24:14,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 05:24:14,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 05:24:14,125 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 05:24:14,125 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 05:24:14,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 05:24:14,125 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 05:24:14,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 05:24:14,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 05:24:14,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 05:24:14,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 05:24:14,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 05:24:14,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 05:24:14,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 05:24:14,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 05:24:14,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 05:24:14,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 05:24:14,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 05:24:14,128 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 05:24:14,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 05:24:14,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 05:24:14,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 05:24:14,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 05:24:14,129 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 05:24:14,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 05:24:14,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 05:24:14,130 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 05:24:14,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 05:24:14,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 05:24:14,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 05:24:14,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 05:24:14,174 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 05:24:14,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label56.c [2019-10-03 05:24:14,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afbc2f06/b63762da5849445aac1036bbc53aa031/FLAG4de9962f0 [2019-10-03 05:24:14,774 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 05:24:14,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label56.c [2019-10-03 05:24:14,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afbc2f06/b63762da5849445aac1036bbc53aa031/FLAG4de9962f0 [2019-10-03 05:24:15,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8afbc2f06/b63762da5849445aac1036bbc53aa031 [2019-10-03 05:24:15,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 05:24:15,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 05:24:15,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 05:24:15,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 05:24:15,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 05:24:15,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15, skipping insertion in model container [2019-10-03 05:24:15,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 05:24:15,125 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 05:24:15,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 05:24:15,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 05:24:15,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 05:24:15,822 INFO L192 MainTranslator]: Completed translation [2019-10-03 05:24:15,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15 WrapperNode [2019-10-03 05:24:15,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 05:24:15,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 05:24:15,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 05:24:15,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 05:24:15,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (1/1) ... [2019-10-03 05:24:15,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 05:24:15,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 05:24:15,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 05:24:15,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 05:24:15,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 05:24:15" (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 05:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 05:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 05:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 05:24:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 05:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 05:24:17,221 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 05:24:17,222 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 05:24:17,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:24:17 BoogieIcfgContainer [2019-10-03 05:24:17,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 05:24:17,226 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 05:24:17,226 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 05:24:17,226 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 05:24:17,227 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 05:24:17" (1/1) ... [2019-10-03 05:24:17,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)