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-b03553c [2019-08-05 18:12:21,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:21,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:21,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:21,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:21,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:21,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:21,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:21,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:21,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:21,214 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:21,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:21,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:21,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:21,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:21,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:21,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:21,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:21,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:21,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:21,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:21,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:21,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:21,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:21,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:21,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:21,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:21,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:21,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:21,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:21,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:21,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:21,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:21,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:21,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:21,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:21,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:21,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:21,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:21,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:21,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:21,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:21,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:21,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:21,324 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:21,325 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:21,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Modulo-Ihringen-ModuloResolved.bpl [2019-08-05 18:12:21,326 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Modulo-Ihringen-ModuloResolved.bpl' [2019-08-05 18:12:21,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:21,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:21,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:21,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:21,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:21,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:21,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:21,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:21,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:21,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:21" (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 18:12:21,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:21,709 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:21,710 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 18:12:21,711 INFO L202 PluginConnector]: Adding new model Modulo-Ihringen-ModuloResolved.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:21 BoogieIcfgContainer [2019-08-05 18:12:21,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:21,712 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:21,712 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:21,712 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:21,713 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 05.08 06:12:21" (1/1) ... [2019-08-05 18:12:21,726 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:21,728 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:21,735 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:21,744 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:21,746 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:21,829 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:21,829 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:21,832 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 13#(and (= main_x main_remainderAuxVar) (< main_remainderAuxVar 7) (<= 0 main_remainderAuxVar) (= 8 (+ (* 7 main_quotientAuxVar) main_remainderAuxVar)) (not (<= main_x 1))) [2019-08-05 18:12:21,833 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:21,841 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:21,844 INFO L168 Benchmark]: Toolchain (without parser) took 477.26 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 93.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:21,845 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:21,846 INFO L168 Benchmark]: Boogie Preprocessor took 47.37 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:21,848 INFO L168 Benchmark]: RCFGBuilder took 296.46 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:21,849 INFO L168 Benchmark]: Symbolic Interpretation took 129.04 ms. Allocated memory is still 133.2 MB. Free memory was 98.2 MB in the beginning and 93.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:21,853 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.37 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.46 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 129.04 ms. Allocated memory is still 133.2 MB. Free memory was 98.2 MB in the beginning and 93.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...