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/LabelEncodingWithUnrolling.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:01,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:01,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:01,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:01,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:01,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:01,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:01,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:01,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:01,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:01,485 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:01,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:01,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:01,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:01,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:01,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:01,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:01,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:01,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:01,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:01,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:01,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:01,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:01,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:01,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:01,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:01,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:01,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:01,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:01,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:01,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:01,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:01,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:01,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:01,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:01,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:01,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:01,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:01,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:01,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:01,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:01,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:01,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:01,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:01,565 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:01,565 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:01,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LabelEncodingWithUnrolling.bpl [2019-08-09 14:14:01,566 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LabelEncodingWithUnrolling.bpl' [2019-08-09 14:14:01,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:01,596 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:01,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:01,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:01,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:01,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:01,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:01,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:01,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:01,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:01,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:01" (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 14:14:01,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:14:01,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:14:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:14:01,900 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:01,900 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:14:01,902 INFO L202 PluginConnector]: Adding new model LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:01 BoogieIcfgContainer [2019-08-09 14:14:01,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:01,903 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:01,904 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:01,904 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:01,905 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:01" (1/1) ... [2019-08-09 14:14:02,051 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:02,058 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:02,061 INFO L168 Benchmark]: Toolchain (without parser) took 463.47 ms. Allocated memory is still 144.2 MB. Free memory was 112.7 MB in the beginning and 95.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:02,062 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 113.9 MB in the beginning and 113.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:02,064 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 ms. Allocated memory is still 144.2 MB. Free memory was 112.7 MB in the beginning and 110.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:02,065 INFO L168 Benchmark]: RCFGBuilder took 266.66 ms. Allocated memory is still 144.2 MB. Free memory was 110.5 MB in the beginning and 101.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:02,066 INFO L168 Benchmark]: Symbolic Interpretation took 154.86 ms. Allocated memory is still 144.2 MB. Free memory was 101.0 MB in the beginning and 95.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:02,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 26#(= main_y (- 1)). 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 144.2 MB. Free memory was 113.9 MB in the beginning and 113.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.86 ms. Allocated memory is still 144.2 MB. Free memory was 112.7 MB in the beginning and 110.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.66 ms. Allocated memory is still 144.2 MB. Free memory was 110.5 MB in the beginning and 101.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 154.86 ms. Allocated memory is still 144.2 MB. Free memory was 101.0 MB in the beginning and 95.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...