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/Octopussy.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:48:34,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:48:34,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:48:34,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:48:34,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:48:34,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:48:34,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:48:34,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:48:34,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:48:34,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:48:34,178 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:48:34,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:48:34,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:48:34,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:48:34,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:48:34,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:48:34,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:48:34,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:48:34,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:48:34,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:48:34,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:48:34,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:48:34,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:48:34,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:48:34,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:48:34,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:48:34,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:48:34,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:48:34,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:48:34,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:48:34,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:48:34,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:48:34,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:48:34,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:48:34,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:48:34,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:48:34,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:48:34,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:48:34,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:48:34,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:48:34,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:48:34,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:48:34,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:48:34,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:48:34,265 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:48:34,265 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:48:34,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl [2019-08-05 11:48:34,267 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl' [2019-08-05 11:48:34,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:48:34,299 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:48:34,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:48:34,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:48:34,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:48:34,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:48:34,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:48:34,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:48:34,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:48:34,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:34" (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 11:48:34,410 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:48:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:48:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:48:34,635 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:48:34,635 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:48:34,637 INFO L202 PluginConnector]: Adding new model Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:34 BoogieIcfgContainer [2019-08-05 11:48:34,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:48:34,637 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:48:34,637 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:48:34,638 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:48:34,642 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:34" (1/1) ... [2019-08-05 11:48:34,654 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:48:34,660 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:48:34,671 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:48:34,681 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:48:34,682 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:48:34,923 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-08-05 11:48:35,123 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-08-05 11:48:35,161 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:48:35,162 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:48:35,164 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= main_x 1000) (not (= main_y 2000))) [2019-08-05 11:48:35,171 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:48:35,173 INFO L168 Benchmark]: Toolchain (without parser) took 873.47 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 85.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:35,174 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:48:35,175 INFO L168 Benchmark]: Boogie Preprocessor took 41.13 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:35,177 INFO L168 Benchmark]: RCFGBuilder took 295.46 ms. Allocated memory is still 141.0 MB. Free memory was 107.5 MB in the beginning and 98.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:35,178 INFO L168 Benchmark]: Symbolic Interpretation took 534.05 ms. Allocated memory is still 141.0 MB. Free memory was 98.9 MB in the beginning and 85.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:35,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 26]: 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 110.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.13 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 295.46 ms. Allocated memory is still 141.0 MB. Free memory was 107.5 MB in the beginning and 98.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 534.05 ms. Allocated memory is still 141.0 MB. Free memory was 98.9 MB in the beginning and 85.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...