java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/toy/errorLocalization/CallAndReturn/call_return_simple.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:43,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:43,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:43,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:43,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:43,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:43,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:43,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:43,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:43,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:43,199 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:43,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:43,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:43,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:43,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:43,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:43,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:43,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:43,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:43,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:43,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:43,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:43,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:43,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:43,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:43,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:43,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:43,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:43,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:43,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:43,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:43,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:43,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:43,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:43,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:43,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:43,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:43,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:43,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:43,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:43,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:43,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:43,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:43,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:43,281 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:43,282 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:43,283 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/CallAndReturn/call_return_simple.bpl [2019-08-06 16:55:43,283 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/CallAndReturn/call_return_simple.bpl' [2019-08-06 16:55:43,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:43,316 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:43,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:43,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:43,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:43,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:43,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:43,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:43,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:43,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-06 16:55:43,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure F given in one single declaration [2019-08-06 16:55:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure F [2019-08-06 16:55:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure F [2019-08-06 16:55:43,423 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:43,610 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:43,610 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:43,611 INFO L202 PluginConnector]: Adding new model call_return_simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:43 BoogieIcfgContainer [2019-08-06 16:55:43,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:43,612 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:43,612 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:43,612 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:43,613 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "call_return_simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,624 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:43,627 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:43,634 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:43,643 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:43,644 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:43,703 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:43,704 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:43,707 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= main_c 2) (= main_x 2)) [2019-08-06 16:55:43,708 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:43,716 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:43,719 INFO L168 Benchmark]: Toolchain (without parser) took 402.29 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 93.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:43,720 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:43,722 INFO L168 Benchmark]: Boogie Preprocessor took 39.20 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:43,723 INFO L168 Benchmark]: RCFGBuilder took 255.37 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:43,724 INFO L168 Benchmark]: Symbolic Interpretation took 104.32 ms. Allocated memory is still 133.2 MB. Free memory was 98.5 MB in the beginning and 93.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:43,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.20 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.37 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 104.32 ms. Allocated memory is still 133.2 MB. Free memory was 98.5 MB in the beginning and 93.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...