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/recursive/regression/bpl/CorrectnessCanNotBeSpecified.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:43,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:43,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:43,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:43,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:43,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:43,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:43,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:43,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:43,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:43,541 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:43,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:43,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:43,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:43,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:43,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:43,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:43,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:43,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:43,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:43,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:43,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:43,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:43,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:43,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:43,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:43,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:43,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:43,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:43,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:43,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:43,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:43,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:43,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:43,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:43,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:43,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:43,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:43,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:43,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:43,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:43,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:43,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:43,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:43,616 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:43,616 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:43,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CorrectnessCanNotBeSpecified.bpl [2019-08-09 14:18:43,617 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CorrectnessCanNotBeSpecified.bpl' [2019-08-09 14:18:43,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:43,650 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:43,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:43,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:43,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:43,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:43,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:43,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:43,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:43,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:43,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:43" (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 14:18:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure proc0 [2019-08-09 14:18:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure proc0 [2019-08-09 14:18:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure proc1 [2019-08-09 14:18:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure proc1 [2019-08-09 14:18:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure proc2 [2019-08-09 14:18:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure proc2 [2019-08-09 14:18:43,929 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:43,929 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:18:43,931 INFO L202 PluginConnector]: Adding new model CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:43 BoogieIcfgContainer [2019-08-09 14:18:43,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:43,931 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:43,932 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:43,932 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:43,933 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CorrectnessCanNotBeSpecified.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:43" (1/1) ... [2019-08-09 14:18:44,078 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:44,088 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:44,093 INFO L168 Benchmark]: Toolchain (without parser) took 440.38 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 91.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:44,096 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:44,097 INFO L168 Benchmark]: Boogie Preprocessor took 41.09 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 106.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:44,098 INFO L168 Benchmark]: RCFGBuilder took 239.00 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 96.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:44,100 INFO L168 Benchmark]: Symbolic Interpretation took 157.28 ms. Allocated memory is still 131.6 MB. Free memory was 96.0 MB in the beginning and 91.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:44,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 23]: 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 16#(and (not (= 2 g)) (= proc0_x 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.09 ms. Allocated memory is still 131.6 MB. Free memory was 108.0 MB in the beginning and 106.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.00 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 96.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 157.28 ms. Allocated memory is still 131.6 MB. Free memory was 96.0 MB in the beginning and 91.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...