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-b03553c [2019-08-05 18:12:28,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:28,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:28,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:28,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:28,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:28,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:28,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:28,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:28,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:28,786 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:28,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:28,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:28,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:28,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:28,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:28,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:28,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:28,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:28,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:28,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:28,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:28,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:28,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:28,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:28,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:28,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:28,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:28,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:28,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:28,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:28,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:28,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:28,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:28,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:28,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:28,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:28,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:28,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:28,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:28,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:28,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:28,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:28,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:28,858 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:28,859 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:28,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl [2019-08-05 18:12:28,860 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl' [2019-08-05 18:12:28,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:28,895 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:28,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:28,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:28,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:28,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:28,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:28,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:28,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:28,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:28" (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 18:12:29,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:29,234 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:29,234 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:12:29,236 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:29 BoogieIcfgContainer [2019-08-05 18:12:29,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:29,237 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:29,238 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:29,238 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:29,239 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "DivisibilityInterpolantRequired03-FPBPCannibalizationSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:29" (1/1) ... [2019-08-05 18:12:29,253 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:29,258 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:29,272 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:29,289 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:29,291 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:29,398 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:29,398 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:29,401 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(or (= 23 x) (not (= (mod y 2) 0))) [2019-08-05 18:12:29,402 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:29,412 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:29,415 INFO L168 Benchmark]: Toolchain (without parser) took 519.07 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 89.9 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:29,417 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:29,420 INFO L168 Benchmark]: Boogie Preprocessor took 51.26 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:29,421 INFO L168 Benchmark]: RCFGBuilder took 288.83 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:29,422 INFO L168 Benchmark]: Symbolic Interpretation took 175.51 ms. Allocated memory is still 137.9 MB. Free memory was 95.2 MB in the beginning and 89.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:29,428 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 0.25 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.26 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 288.83 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 95.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 175.51 ms. Allocated memory is still 137.9 MB. Free memory was 95.2 MB in the beginning and 89.9 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...