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/unrolling-tests/ReachDef-Simple.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:53,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:53,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:53,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:53,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:53,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:53,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:53,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:53,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:53,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:53,209 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:53,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:53,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:53,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:53,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:53,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:53,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:53,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:53,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:53,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:53,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:53,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:53,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:53,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:53,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:53,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:53,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:53,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:53,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:53,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:53,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:53,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:53,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:53,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:53,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:53,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:53,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:53,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:53,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:53,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:53,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:53,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:53,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:53,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:53,295 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:53,296 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:53,296 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-Simple.bpl [2019-08-06 16:46:53,297 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-Simple.bpl' [2019-08-06 16:46:53,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:53,330 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:53,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:53,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:53,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:53,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:53,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:53,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:53,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:53,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:53" (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 16:46:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-06 16:46:53,447 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-06 16:46:53,592 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:53,592 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:46:53,594 INFO L202 PluginConnector]: Adding new model ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:53 BoogieIcfgContainer [2019-08-06 16:46:53,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:53,595 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:53,595 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:53,595 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:53,596 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:53" (1/1) ... [2019-08-06 16:46:53,607 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:46:53,610 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:53,617 INFO L160 IcfgInterpreter]: Initial procedures are [Main] [2019-08-06 16:46:53,625 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:53,627 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-06 16:46:53,761 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:53,762 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:53,765 INFO L179 IcfgInterpreter]: Location MainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= Main_z (+ (* (- 1) Main_y) Main_x))) (= Main_z 0)) [2019-08-06 16:46:53,767 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:53,775 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:53,778 INFO L168 Benchmark]: Toolchain (without parser) took 447.73 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 91.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:53,779 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:46:53,781 INFO L168 Benchmark]: Boogie Preprocessor took 47.27 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:53,784 INFO L168 Benchmark]: RCFGBuilder took 216.52 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:53,785 INFO L168 Benchmark]: Symbolic Interpretation took 180.29 ms. Allocated memory is still 139.5 MB. Free memory was 96.6 MB in the beginning and 91.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:53,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.27 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 216.52 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 180.29 ms. Allocated memory is still 139.5 MB. Free memory was 96.6 MB in the beginning and 91.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...