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/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:36,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:36,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:36,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:36,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:36,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:36,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:36,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:36,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:36,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:36,259 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:36,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:36,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:36,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:36,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:36,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:36,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:36,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:36,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:36,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:36,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:36,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:36,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:36,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:36,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:36,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:36,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:36,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:36,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:36,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:36,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:36,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:36,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:36,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:36,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:36,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:36,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:36,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:36,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:36,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:36,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:36,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:36,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:36,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:36,333 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:36,333 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:36,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2019-08-04 21:58:36,334 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2019-08-04 21:58:36,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:36,368 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:36,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:36,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:36,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:36,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:36,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:36,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:36,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:36,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:36" (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 [2019-08-04 21:58:36,492 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:36,738 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:36,738 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:36,740 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:36 BoogieIcfgContainer [2019-08-04 21:58:36,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:36,741 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:36,741 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:36,741 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:36,743 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:36" (1/1) ... [2019-08-04 21:58:36,755 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:36,762 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:36,770 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:36,785 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:36,786 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:37,272 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-08-04 21:58:45,948 WARN L188 SmtUtils]: Spent 8.63 s on a formula simplification that was a NOOP. DAG size: 103 [2019-08-04 21:58:45,983 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:45,983 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:45,986 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 32#(and (not (= main_y 100)) (= main_x 100)) [2019-08-04 21:58:45,994 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:45,997 INFO L168 Benchmark]: Toolchain (without parser) took 9628.01 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 78.8 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:45,998 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:45,999 INFO L168 Benchmark]: Boogie Preprocessor took 46.09 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:46,000 INFO L168 Benchmark]: RCFGBuilder took 324.65 ms. Allocated memory is still 141.0 MB. Free memory was 108.2 MB in the beginning and 97.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:46,002 INFO L168 Benchmark]: Symbolic Interpretation took 9253.92 ms. Allocated memory is still 141.0 MB. Free memory was 97.6 MB in the beginning and 78.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:46,005 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 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.09 ms. Allocated memory is still 141.0 MB. Free memory was 110.5 MB in the beginning and 108.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.65 ms. Allocated memory is still 141.0 MB. Free memory was 108.2 MB in the beginning and 97.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 9253.92 ms. Allocated memory is still 141.0 MB. Free memory was 97.6 MB in the beginning and 78.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...