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/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:22:06,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:22:06,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:22:06,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:22:06,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:22:06,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:22:06,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:22:06,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:22:06,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:22:06,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:22:06,269 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:22:06,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:22:06,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:22:06,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:22:06,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:22:06,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:22:06,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:22:06,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:22:06,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:22:06,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:22:06,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:22:06,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:22:06,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:22:06,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:22:06,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:22:06,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:22:06,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:22:06,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:22:06,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:22:06,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:22:06,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:22:06,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:22:06,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:22:06,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:22:06,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:22:06,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:22:06,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:22:06,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:22:06,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:22:06,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:22:06,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:22:06,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:22:06,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:22:06,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:22:06,382 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:22:06,382 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:22:06,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2019-08-06 14:22:06,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2019-08-06 14:22:06,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:22:06,410 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:22:06,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:22:06,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:22:06,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:22:06,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:22:06,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:22:06,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:22:06,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:22:06,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:06" (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 14:22:06,522 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 14:22:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 14:22:06,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 14:22:06,768 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:22:06,768 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 14:22:06,770 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:22:06 BoogieIcfgContainer [2019-08-06 14:22:06,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:22:06,771 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:22:06,771 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:22:06,771 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:22:06,772 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:22:06" (1/1) ... [2019-08-06 14:22:06,784 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:22:06,791 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:22:06,800 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 14:22:06,818 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:22:06,820 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 14:22:06,931 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:22:06,931 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:22:06,934 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(or (= 23 x) (not (= (mod y 2) 0))) [2019-08-06 14:22:06,936 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:22:06,944 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:22:06,947 INFO L168 Benchmark]: Toolchain (without parser) took 535.93 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 90.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:06,948 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 14:22:06,950 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 105.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:06,951 INFO L168 Benchmark]: RCFGBuilder took 316.67 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 96.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:06,952 INFO L168 Benchmark]: Symbolic Interpretation took 173.16 ms. Allocated memory is still 140.0 MB. Free memory was 96.1 MB in the beginning and 90.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:06,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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 140.0 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 140.0 MB. Free memory was 107.1 MB in the beginning and 105.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 316.67 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 96.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 173.16 ms. Allocated memory is still 140.0 MB. Free memory was 96.1 MB in the beginning and 90.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...