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/LiveVariablesBackwardTest.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:43,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:43,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:43,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:43,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:43,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:43,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:43,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:43,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:43,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:43,668 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:43,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:43,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:43,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:43,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:43,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:43,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:43,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:43,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:43,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:43,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:43,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:43,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:43,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:43,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:43,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:43,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:43,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:43,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:43,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:43,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:43,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:43,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:43,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:43,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:43,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:43,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:43,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:43,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:43,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:43,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:43,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:43,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:43,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:43,782 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:43,782 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:43,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LiveVariablesBackwardTest.bpl [2019-08-06 16:55:43,783 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LiveVariablesBackwardTest.bpl' [2019-08-06 16:55:43,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:43,821 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:43,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:43,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:43,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:43,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:43" (1/1) ... [2019-08-06 16:55:43,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:43,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:43,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:43,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:43,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LiveVariablesBackwardTest.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 16:55:43,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:44,132 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:44,132 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-06 16:55:44,134 INFO L202 PluginConnector]: Adding new model LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:44 BoogieIcfgContainer [2019-08-06 16:55:44,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:44,135 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:44,135 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:44,135 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:44,136 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LiveVariablesBackwardTest.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,148 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:44,151 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:44,158 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:44,166 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:44,168 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:44,228 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:44,229 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:44,231 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 13#(and (< 0 main_x) (or (not (< 0 main_x)) (not (<= 0 main_y))) (= main_y 0)) [2019-08-06 16:55:44,232 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:44,239 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:44,242 INFO L168 Benchmark]: Toolchain (without parser) took 419.76 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 91.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,244 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,245 INFO L168 Benchmark]: Boogie Preprocessor took 47.55 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,247 INFO L168 Benchmark]: RCFGBuilder took 263.87 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,248 INFO L168 Benchmark]: Symbolic Interpretation took 104.70 ms. Allocated memory is still 137.9 MB. Free memory was 95.1 MB in the beginning and 91.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 16]: 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 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.55 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.87 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 104.70 ms. Allocated memory is still 137.9 MB. Free memory was 95.1 MB in the beginning and 91.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...