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/WaterTank2-NumberVariables.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:34,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:34,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:34,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:34,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:34,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:34,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:34,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:34,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:34,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:34,717 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:34,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:34,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:34,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:34,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:34,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:34,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:34,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:34,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:34,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:34,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:34,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:34,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:34,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:34,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:34,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:34,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:34,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:34,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:34,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:34,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:34,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:34,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:34,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:34,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:34,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:34,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:34,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:34,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:34,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:34,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:34,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:34,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:34,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:34,833 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:34,833 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:34,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/WaterTank2-NumberVariables.bpl [2019-08-05 18:12:34,834 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/WaterTank2-NumberVariables.bpl' [2019-08-05 18:12:34,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:34,863 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:34,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:34,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:34,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:34,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (1/1) ... [2019-08-05 18:12:34,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:34,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:34,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:34,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:34,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:34" (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 18:12:34,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure waterTank given in one single declaration [2019-08-05 18:12:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure waterTank [2019-08-05 18:12:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure waterTank [2019-08-05 18:12:35,239 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:35,239 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:35,241 INFO L202 PluginConnector]: Adding new model WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:35 BoogieIcfgContainer [2019-08-05 18:12:35,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:35,241 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:35,241 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:35,241 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:35,242 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "WaterTank2-NumberVariables.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:35" (1/1) ... [2019-08-05 18:12:35,252 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:35,255 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:35,261 INFO L160 IcfgInterpreter]: Initial procedures are [waterTank] [2019-08-05 18:12:35,270 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:35,271 INFO L185 IcfgInterpreter]: Interpreting procedure waterTank with input of size 1 [2019-08-05 18:12:35,352 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:35,353 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:35,356 INFO L179 IcfgInterpreter]: Location waterTankErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< waterTank_time (+ waterTank_hundred 1)) (<= waterTank_increment 3) (not (<= waterTank_fillLevel waterTank_thousand)) (not (< waterTank_time waterTank_hundred))) [2019-08-05 18:12:35,357 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:35,365 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:35,368 INFO L168 Benchmark]: Toolchain (without parser) took 504.29 ms. Allocated memory is still 137.4 MB. Free memory was 109.7 MB in the beginning and 93.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:35,369 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory is still 110.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:35,371 INFO L168 Benchmark]: Boogie Preprocessor took 44.75 ms. Allocated memory is still 137.4 MB. Free memory was 109.7 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:35,372 INFO L168 Benchmark]: RCFGBuilder took 332.07 ms. Allocated memory is still 137.4 MB. Free memory was 107.5 MB in the beginning and 98.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:35,374 INFO L168 Benchmark]: Symbolic Interpretation took 124.26 ms. Allocated memory is still 137.4 MB. Free memory was 98.1 MB in the beginning and 93.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:35,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 29]: 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 0.17 ms. Allocated memory is still 137.4 MB. Free memory is still 110.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.75 ms. Allocated memory is still 137.4 MB. Free memory was 109.7 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.07 ms. Allocated memory is still 137.4 MB. Free memory was 107.5 MB in the beginning and 98.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 124.26 ms. Allocated memory is still 137.4 MB. Free memory was 98.1 MB in the beginning and 93.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...