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/recursive/regression/bpl/Katharinenberg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:57:56,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:56,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:56,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:56,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:56,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:56,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:56,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:56,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:56,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:56,644 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:56,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:56,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:56,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:56,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:56,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:56,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:56,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:56,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:56,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:56,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:56,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:56,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:56,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:56,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:56,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:56,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:56,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:56,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:56,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:56,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:56,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:56,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:56,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:56,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:56,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:56,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:56,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:56,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:56,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:56,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:56,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:56,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:56,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:56,728 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:56,729 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:56,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/Katharinenberg.bpl [2019-08-06 16:57:56,731 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/Katharinenberg.bpl' [2019-08-06 16:57:56,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:56,770 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:56,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:56,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:56,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:56,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (1/1) ... [2019-08-06 16:57:56,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:56,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:56,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:56,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:56,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:56" (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 16:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-06 16:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-06 16:57:57,227 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:57:57,228 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:57,229 INFO L202 PluginConnector]: Adding new model Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:57 BoogieIcfgContainer [2019-08-06 16:57:57,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:57,233 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:57,234 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:57,234 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:57,235 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Katharinenberg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:57" (1/1) ... [2019-08-06 16:57:57,265 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:57,270 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:57,284 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:57:57,298 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:57,299 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:57:57,357 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:57,358 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:57,361 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (or (and (= main_b 0) (= (+ (* 2 main_y) 1) x)) (and (not (= main_b 0)) (= x (* 2 main_y)))) (or (and (= main_b 1) (not (= (mod main_y 2) 0))) (and (= main_b 0) (= (mod main_y 2) 0))) (= 0 (mod x 2)) (<= 0 main_y) (= (mod main_y 2) 0) (<= main_y 100)) [2019-08-06 16:57:57,362 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:57,369 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:57,372 INFO L168 Benchmark]: Toolchain (without parser) took 601.55 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 91.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:57,374 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:57,375 INFO L168 Benchmark]: Boogie Preprocessor took 48.57 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 107.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:57,376 INFO L168 Benchmark]: RCFGBuilder took 409.41 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 95.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:57,378 INFO L168 Benchmark]: Symbolic Interpretation took 136.06 ms. Allocated memory is still 132.6 MB. Free memory was 95.6 MB in the beginning and 91.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:57,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 27]: 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 132.6 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.57 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 107.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 409.41 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 95.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 136.06 ms. Allocated memory is still 132.6 MB. Free memory was 95.6 MB in the beginning and 91.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...