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/BoogiePL/schaetzc/simpleNameCollision.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:47:04,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:47:04,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:47:04,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:47:04,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:47:04,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:47:04,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:47:04,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:47:04,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:47:04,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:47:04,690 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:47:04,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:47:04,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:47:04,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:47:04,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:47:04,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:47:04,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:47:04,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:47:04,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:47:04,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:47:04,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:47:04,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:47:04,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:47:04,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:47:04,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:47:04,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:47:04,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:47:04,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:47:04,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:47:04,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:47:04,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:47:04,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:47:04,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:47:04,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:47:04,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:47:04,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:47:04,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:47:04,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:47:04,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:47:04,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:47:04,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:47:04,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:47:04,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:47:04,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:47:04,808 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:47:04,809 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:47:04,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/simpleNameCollision.bpl [2019-08-06 16:47:04,810 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/simpleNameCollision.bpl' [2019-08-06 16:47:04,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:47:04,847 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:47:04,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:47:04,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:47:04,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:47:04,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (1/1) ... [2019-08-06 16:47:04,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:47:04,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:47:04,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:47:04,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:47:04,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:04" (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: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 16:47:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-06 16:47:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-06 16:47:05,038 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:47:05,186 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:47:05,187 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:47:05,189 INFO L202 PluginConnector]: Adding new model simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:05 BoogieIcfgContainer [2019-08-06 16:47:05,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:47:05,190 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:47:05,190 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:47:05,190 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:47:05,191 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:05" (1/1) ... [2019-08-06 16:47:05,210 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:47:05,214 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:47:05,225 INFO L160 IcfgInterpreter]: Initial procedures are [f] [2019-08-06 16:47:05,235 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:47:05,237 INFO L185 IcfgInterpreter]: Interpreting procedure f with input of size 1 [2019-08-06 16:47:05,302 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:47:05,303 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:47:05,306 INFO L179 IcfgInterpreter]: Location fErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 6#(and (= f_x f_y) (<= 0 f_y) (not (<= 0 f_x)) (= f_x globalVar)) [2019-08-06 16:47:05,315 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:47:05,324 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:47:05,328 INFO L168 Benchmark]: Toolchain (without parser) took 478.68 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 93.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:05,330 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:47:05,334 INFO L168 Benchmark]: Boogie Preprocessor took 38.15 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:05,335 INFO L168 Benchmark]: RCFGBuilder took 302.82 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 97.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:05,338 INFO L168 Benchmark]: Symbolic Interpretation took 134.45 ms. Allocated memory is still 133.2 MB. Free memory was 97.3 MB in the beginning and 93.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:05,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition 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 was 109.5 MB in the beginning and 109.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.15 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 302.82 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 97.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 134.45 ms. Allocated memory is still 133.2 MB. Free memory was 97.3 MB in the beginning and 93.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...