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/Modulo-Ihringen-ModuloResolved.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:48,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:48,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:48,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:48,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:48,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:48,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:48,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:48,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:48,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:48,688 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:48,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:48,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:48,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:48,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:48,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:48,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:48,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:48,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:48,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:48,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:48,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:48,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:48,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:48,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:48,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:48,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:48,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:48,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:48,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:48,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:48,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:48,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:48,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:48,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:48,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:48,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:48,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:48,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:48,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:48,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:48,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:48,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:48,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:48,757 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:48,758 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:48,758 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Modulo-Ihringen-ModuloResolved.bpl [2019-08-09 14:13:48,759 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Modulo-Ihringen-ModuloResolved.bpl' [2019-08-09 14:13:48,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:48,789 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:48,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:48,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:48,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:48,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (1/1) ... [2019-08-09 14:13:48,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:48,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:48,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:48,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:48,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:48" (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 [2019-08-09 14:13:48,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:13:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:48,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:49,060 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:49,060 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-09 14:13:49,061 INFO L202 PluginConnector]: Adding new model Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:49 BoogieIcfgContainer [2019-08-09 14:13:49,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:49,063 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:49,063 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:49,063 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:49,064 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:49" (1/1) ... [2019-08-09 14:13:49,173 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:49,180 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:49,183 INFO L168 Benchmark]: Toolchain (without parser) took 392.70 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 91.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:49,185 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:13:49,186 INFO L168 Benchmark]: Boogie Preprocessor took 38.49 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:49,187 INFO L168 Benchmark]: RCFGBuilder took 232.78 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 96.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:49,188 INFO L168 Benchmark]: Symbolic Interpretation took 117.62 ms. Allocated memory is still 138.9 MB. Free memory was 96.2 MB in the beginning and 91.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:49,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 32]: 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. Predicate is 13#(and (= main_x main_remainderAuxVar) (< main_remainderAuxVar 7) (<= 0 main_remainderAuxVar) (= 8 (+ (* 7 main_quotientAuxVar) main_remainderAuxVar)) (not (<= main_x 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.49 ms. Allocated memory is still 138.9 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 232.78 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 96.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 117.62 ms. Allocated memory is still 138.9 MB. Free memory was 96.2 MB in the beginning and 91.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...