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/errorLocalization/branching/testForBlockEncoding2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:27,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:27,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:27,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:27,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:27,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:27,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:27,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:27,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:27,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:27,277 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:27,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:27,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:27,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:27,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:27,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:27,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:27,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:27,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:27,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:27,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:27,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:27,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:27,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:27,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:27,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:27,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:27,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:27,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:27,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:27,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:27,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:27,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:27,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:27,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:27,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:27,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:27,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:27,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:27,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:27,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:27,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:27,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:27,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:27,361 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:27,361 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:27,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/branching/testForBlockEncoding2.bpl [2019-08-09 14:14:27,362 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/branching/testForBlockEncoding2.bpl' [2019-08-09 14:14:27,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:27,398 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:27,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:27,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:27,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:27,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:27,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:27,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:27,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:27,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:27" (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 14:14:27,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-09 14:14:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-09 14:14:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-09 14:14:27,661 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:27,661 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:27,662 INFO L202 PluginConnector]: Adding new model testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:27 BoogieIcfgContainer [2019-08-09 14:14:27,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:27,663 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:27,663 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:27,664 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:27,665 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:27" (1/1) ... [2019-08-09 14:14:27,797 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:27,808 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:27,812 INFO L168 Benchmark]: Toolchain (without parser) took 412.12 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 89.3 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:27,817 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:27,819 INFO L168 Benchmark]: Boogie Preprocessor took 38.04 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:27,821 INFO L168 Benchmark]: RCFGBuilder took 225.86 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 93.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:27,823 INFO L168 Benchmark]: Symbolic Interpretation took 145.20 ms. Allocated memory is still 137.9 MB. Free memory was 93.1 MB in the beginning and 89.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:27,829 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. Predicate is 6#(and (= 2 foo_x) (or (and (= 2 foo_y) (= 2 foo_c)) (not (= 2 foo_c))) (= 2 foo_c)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.04 ms. Allocated memory is still 137.9 MB. Free memory was 106.2 MB in the beginning and 104.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.86 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 93.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 145.20 ms. Allocated memory is still 137.9 MB. Free memory was 93.1 MB in the beginning and 89.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...