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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:29:02,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:29:02,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:29:02,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:29:02,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:29:02,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:29:02,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:29:02,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:29:02,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:29:02,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:29:02,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:29:02,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:29:02,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:29:02,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:29:02,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:29:02,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:29:02,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:29:02,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:29:02,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:29:02,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:29:02,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:29:02,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:29:02,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:29:02,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:29:02,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 19:29:02,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 19:29:02,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 19:29:02,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 19:29:02,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 19:29:02,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 19:29:02,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:29:02,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:29:02,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:29:02,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:29:02,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:29:02,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:29:02,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:29:02,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:29:02,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:29:02,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:29:02,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:29:02,218 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 19:29:02,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:29:02,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:29:02,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:29:02,247 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:29:02,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:29:02,249 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:29:02,249 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:29:02,249 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:29:02,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:29:02,249 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:29:02,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:29:02,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:29:02,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:29:02,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:29:02,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:29:02,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:29:02,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:29:02,254 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:29:02,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:29:02,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:29:02,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:29:02,255 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:29:02,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:29:02,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:29:02,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:29:02,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:29:02,256 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:29:02,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:29:02,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:29:02,258 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:29:02,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:29:02,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:29:02,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:29:02,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:29:02,316 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:29:02,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-09-10 19:29:02,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d8be9451/c516c1523df740b1a6618cb33aceed6a/FLAGd1b7b8065 [2019-09-10 19:29:02,948 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:29:02,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-09-10 19:29:02,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d8be9451/c516c1523df740b1a6618cb33aceed6a/FLAGd1b7b8065 [2019-09-10 19:29:03,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d8be9451/c516c1523df740b1a6618cb33aceed6a [2019-09-10 19:29:03,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:29:03,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:29:03,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:29:03,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:29:03,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:29:03,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:29:03" (1/1) ... [2019-09-10 19:29:03,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:03, skipping insertion in model container [2019-09-10 19:29:03,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:29:03" (1/1) ... [2019-09-10 19:29:03,247 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:29:03,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:29:03,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:29:03,922 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:29:04,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:29:04,075 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:29:04,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04 WrapperNode [2019-09-10 19:29:04,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:29:04,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:29:04,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:29:04,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:29:04,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (1/1) ... [2019-09-10 19:29:04,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:29:04,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:29:04,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:29:04,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:29:04,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:29:04" (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 19:29:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:29:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:29:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-10 19:29:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:29:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-10 19:29:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:29:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 19:29:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 19:29:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:29:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:29:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:29:05,425 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:29:05,426 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 19:29:05,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:29:05 BoogieIcfgContainer [2019-09-10 19:29:05,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:29:05,428 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:29:05,428 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:29:05,428 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:29:05,429 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:29:05" (1/1) ... [2019-09-10 19:29:05,469 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)