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/TotalInterpolationFails.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e6f8464 [2019-08-06 14:22:41,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:22:41,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:22:41,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:22:41,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:22:41,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:22:41,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:22:41,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:22:41,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:22:41,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:22:41,239 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:22:41,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:22:41,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:22:41,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:22:41,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:22:41,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:22:41,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:22:41,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:22:41,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:22:41,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:22:41,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:22:41,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:22:41,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:22:41,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:22:41,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:22:41,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:22:41,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:22:41,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:22:41,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:22:41,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:22:41,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:22:41,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:22:41,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:22:41,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:22:41,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:22:41,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:22:41,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:22:41,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:22:41,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:22:41,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:22:41,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:22:41,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:22:41,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:22:41,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:22:41,348 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:22:41,348 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:22:41,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TotalInterpolationFails.bpl [2019-08-06 14:22:41,349 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TotalInterpolationFails.bpl' [2019-08-06 14:22:41,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:22:41,374 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:22:41,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:22:41,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:22:41,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:22:41,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:22:41,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:22:41,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:22:41,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:22:41,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 02:22:41" (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 14:22:41,482 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 14:22:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 14:22:41,647 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:22:41,647 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 14:22:41,648 INFO L202 PluginConnector]: Adding new model TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:22:41 BoogieIcfgContainer [2019-08-06 14:22:41,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:22:41,649 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:22:41,649 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:22:41,649 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:22:41,650 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:22:41" (1/1) ... [2019-08-06 14:22:41,667 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:22:41,672 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:22:41,685 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 14:22:41,697 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:22:41,699 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 14:22:41,827 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:22:41,827 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:22:41,833 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 14#(and (not (= proc_x proc_b)) (or (and (= proc_y proc_a) (= proc_x proc_b)) (and (= proc_x proc_a) (= proc_y proc_b))) (not (= proc_x proc_a))) [2019-08-06 14:22:41,834 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:22:41,846 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:22:41,849 INFO L168 Benchmark]: Toolchain (without parser) took 472.91 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 93.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:41,850 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 14:22:41,853 INFO L168 Benchmark]: Boogie Preprocessor took 38.37 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:41,855 INFO L168 Benchmark]: RCFGBuilder took 234.91 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:41,857 INFO L168 Benchmark]: Symbolic Interpretation took 196.73 ms. Allocated memory is still 141.0 MB. Free memory was 98.6 MB in the beginning and 93.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 14:22:41,862 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 30]: 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 0.18 ms. Allocated memory is still 141.0 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.37 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.91 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 196.73 ms. Allocated memory is still 141.0 MB. Free memory was 98.6 MB in the beginning and 93.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...