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/WhileLoop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:37,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:37,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:37,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:37,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:37,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:37,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:37,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:37,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:37,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:37,651 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:37,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:37,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:37,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:37,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:37,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:37,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:37,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:37,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:37,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:37,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:37,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:37,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:37,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:37,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:37,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:37,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:37,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:37,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:37,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:37,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:37,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:37,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:37,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:37,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:37,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:37,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:37,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:37,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:37,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:37,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:37,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:37,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:37,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:37,728 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:37,729 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:37,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/WhileLoop.bpl [2019-08-06 16:55:37,730 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/WhileLoop.bpl' [2019-08-06 16:55:37,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:37,764 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:37,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:37,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:37,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:37,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (1/1) ... [2019-08-06 16:55:37,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:37,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:37,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:37,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:37,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:37" (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 16:55:37,872 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:55:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:55:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:55:38,045 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:38,046 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:38,049 INFO L202 PluginConnector]: Adding new model WhileLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:38 BoogieIcfgContainer [2019-08-06 16:55:38,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:38,049 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:38,050 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:38,050 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:38,051 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "WhileLoop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:38" (1/1) ... [2019-08-06 16:55:38,064 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:38,070 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:38,081 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:55:38,090 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:38,091 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:55:38,244 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:38,244 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:38,247 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= foo_y (+ foo_x 1)) (< foo_i 6) (not (< foo_i 5)) (not (= 5 foo_x))) [2019-08-06 16:55:38,248 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:38,256 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:38,259 INFO L168 Benchmark]: Toolchain (without parser) took 493.85 ms. Allocated memory is still 136.8 MB. Free memory was 105.2 MB in the beginning and 88.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:38,260 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:38,261 INFO L168 Benchmark]: Boogie Preprocessor took 38.46 ms. Allocated memory is still 136.8 MB. Free memory was 105.2 MB in the beginning and 103.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:38,262 INFO L168 Benchmark]: RCFGBuilder took 245.53 ms. Allocated memory is still 136.8 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:38,263 INFO L168 Benchmark]: Symbolic Interpretation took 206.60 ms. Allocated memory is still 136.8 MB. Free memory was 93.7 MB in the beginning and 88.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:38,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 0.24 ms. Allocated memory is still 136.8 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.46 ms. Allocated memory is still 136.8 MB. Free memory was 105.2 MB in the beginning and 103.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.53 ms. Allocated memory is still 136.8 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 206.60 ms. Allocated memory is still 136.8 MB. Free memory was 93.7 MB in the beginning and 88.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...