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 0.1.24-4ddfff8 [2019-08-09 14:14:51,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:51,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:51,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:51,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:51,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:51,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:51,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:51,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:51,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:51,385 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:51,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:51,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:51,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:51,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:51,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:51,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:51,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:51,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:51,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:51,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:51,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:51,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:51,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:51,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:51,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:51,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:51,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:51,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:51,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:51,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:51,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:51,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:51,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:51,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:51,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:51,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:51,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:51,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:51,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:51,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:51,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:51,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:51,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:51,491 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:51,491 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:51,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TotalInterpolationFails.bpl [2019-08-09 14:14:51,492 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/TotalInterpolationFails.bpl' [2019-08-09 14:14:51,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:51,518 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:51,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:51,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:51,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:51,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:51,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:51,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:51,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:51,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:51" (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 [2019-08-09 14:14:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-09 14:14:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-09 14:14:51,766 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:51,766 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:14:51,768 INFO L202 PluginConnector]: Adding new model TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:51 BoogieIcfgContainer [2019-08-09 14:14:51,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:51,768 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:51,769 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:51,769 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:51,770 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TotalInterpolationFails.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:51" (1/1) ... [2019-08-09 14:14:51,876 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:51,881 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:51,884 INFO L168 Benchmark]: Toolchain (without parser) took 365.45 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 91.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:51,885 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:14:51,886 INFO L168 Benchmark]: Boogie Preprocessor took 36.15 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:51,888 INFO L168 Benchmark]: RCFGBuilder took 213.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 96.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:51,889 INFO L168 Benchmark]: Symbolic Interpretation took 113.15 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 91.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:51,893 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. Predicate is 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))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.15 ms. Allocated memory is still 132.1 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 213.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 96.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 113.15 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 91.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...