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/procedural-example-07a.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:14,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:14,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:14,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:14,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:14,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:14,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:14,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:14,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:14,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:14,491 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:14,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:14,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:14,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:14,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:14,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:14,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:14,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:14,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:14,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:14,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:14,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:14,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:14,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:14,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:14,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:14,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:14,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:14,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:14,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:14,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:14,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:14,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:14,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:14,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:14,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:14,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:14,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:14,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:14,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:14,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:14,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:14,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:14,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:14,557 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:14,558 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:14,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/procedural-example-07a.bpl [2019-08-09 14:14:14,559 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/procedural-example-07a.bpl' [2019-08-09 14:14:14,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:14,589 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:14,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:14,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:14,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:14,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:14,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:14,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:14,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:14,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:14" (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 14:14:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:14:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:14:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-08-09 14:14:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-08-09 14:14:14,825 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:14:14,825 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:14,827 INFO L202 PluginConnector]: Adding new model procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:14 BoogieIcfgContainer [2019-08-09 14:14:14,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:14,828 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:14,828 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:14,828 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:14,829 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:14" (1/1) ... [2019-08-09 14:14:14,959 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:14,966 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:14,969 INFO L168 Benchmark]: Toolchain (without parser) took 378.58 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 94.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:14,970 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:14,973 INFO L168 Benchmark]: Boogie Preprocessor took 36.81 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:14,974 INFO L168 Benchmark]: RCFGBuilder took 200.54 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 98.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:14,976 INFO L168 Benchmark]: Symbolic Interpretation took 138.27 ms. Allocated memory is still 133.7 MB. Free memory was 98.0 MB in the beginning and 94.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:14,982 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 10#(and (= 4 g) (= g 0) (= 3 g)). Possible FailurePath: - 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 14#(and (not (= 4 g)) (= 3 g)). 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 133.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.81 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 200.54 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 98.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 138.27 ms. Allocated memory is still 133.7 MB. Free memory was 98.0 MB in the beginning and 94.0 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...