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-b03553c [2019-08-05 18:06:08,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:06:08,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:06:08,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:06:08,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:06:08,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:06:08,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:06:08,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:06:08,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:06:08,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:06:08,242 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:06:08,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:06:08,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:06:08,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:06:08,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:06:08,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:06:08,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:06:08,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:06:08,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:06:08,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:06:08,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:06:08,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:06:08,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:06:08,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:06:08,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:06:08,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:06:08,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:06:08,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:06:08,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:06:08,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:06:08,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:06:08,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:06:08,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:06:08,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:06:08,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:06:08,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:06:08,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:06:08,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:06:08,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:06:08,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:06:08,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:06:08,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:06:08,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:06:08,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:06:08,322 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:06:08,322 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:06:08,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/simpleNameCollision.bpl [2019-08-05 18:06:08,323 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/simpleNameCollision.bpl' [2019-08-05 18:06:08,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:06:08,349 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:06:08,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:06:08,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:06:08,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:06:08,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:06:08,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:06:08,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:06:08,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:06:08,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:08" (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 [2019-08-05 18:06:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-05 18:06:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-05 18:06:08,540 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:06:08,694 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:06:08,695 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:06:08,697 INFO L202 PluginConnector]: Adding new model simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:06:08 BoogieIcfgContainer [2019-08-05 18:06:08,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:06:08,699 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:06:08,699 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:06:08,699 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:06:08,700 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "simpleNameCollision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:06:08" (1/1) ... [2019-08-05 18:06:08,715 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:06:08,720 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:06:08,732 INFO L160 IcfgInterpreter]: Initial procedures are [f] [2019-08-05 18:06:08,742 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:06:08,744 INFO L185 IcfgInterpreter]: Interpreting procedure f with input of size 1 [2019-08-05 18:06:08,803 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:06:08,803 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:06:08,807 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)) [2019-08-05 18:06:08,808 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:06:08,817 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:06:08,821 INFO L168 Benchmark]: Toolchain (without parser) took 470.37 ms. Allocated memory is still 138.9 MB. Free memory was 107.5 MB in the beginning and 92.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:08,823 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:06:08,825 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:08,827 INFO L168 Benchmark]: RCFGBuilder took 306.15 ms. Allocated memory is still 138.9 MB. Free memory was 105.4 MB in the beginning and 96.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:08,829 INFO L168 Benchmark]: Symbolic Interpretation took 119.04 ms. Allocated memory is still 138.9 MB. Free memory was 96.4 MB in the beginning and 92.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:08,833 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 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.99 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.15 ms. Allocated memory is still 138.9 MB. Free memory was 105.4 MB in the beginning and 96.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 119.04 ms. Allocated memory is still 138.9 MB. Free memory was 96.4 MB in the beginning and 92.5 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...