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/errorLocalization/flowSenstiveFaultLocalization.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:24,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:24,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:24,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:24,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:24,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:24,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:24,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:24,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:24,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:24,774 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:24,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:24,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:24,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:24,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:24,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:24,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:24,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:24,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:24,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:24,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:24,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:24,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:24,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:24,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:24,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:24,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:24,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:24,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:24,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:24,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:24,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:24,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:24,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:24,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:24,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:24,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:24,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:24,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:24,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:24,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:24,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:24,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:24,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:24,876 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:24,877 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:24,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/flowSenstiveFaultLocalization.bpl [2019-08-06 16:55:24,878 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/flowSenstiveFaultLocalization.bpl' [2019-08-06 16:55:24,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:24,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:24,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:24,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:24,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:24,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (1/1) ... [2019-08-06 16:55:24,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:24,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:24,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:24,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:24,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:24" (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 16:55:25,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:25,309 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:25,309 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:25,310 INFO L202 PluginConnector]: Adding new model flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:25 BoogieIcfgContainer [2019-08-06 16:55:25,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:25,311 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:25,311 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:25,311 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:25,312 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:25" (1/1) ... [2019-08-06 16:55:25,322 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:25,325 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:25,332 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:25,340 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:25,341 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:25,376 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:25,376 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:25,379 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= main_x 0) (= main_y (+ main_input (- 42))) (or (and (= main_x 0) (< main_y 0)) (and (not (< main_y 0)) (= main_x 1)))) [2019-08-06 16:55:25,380 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:25,388 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:25,390 INFO L168 Benchmark]: Toolchain (without parser) took 484.02 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 92.4 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,391 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 132.1 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:25,393 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,394 INFO L168 Benchmark]: RCFGBuilder took 362.35 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 96.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,395 INFO L168 Benchmark]: Symbolic Interpretation took 76.86 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 92.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:25,399 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 0.15 ms. Allocated memory is still 132.1 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.92 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.35 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 96.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 76.86 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 92.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...