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/quantifier/regression/bpl/NestedSelfUpdateProblem01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:57:43,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:43,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:43,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:43,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:43,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:43,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:43,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:43,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:43,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:43,218 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:43,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:43,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:43,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:43,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:43,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:43,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:43,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:43,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:43,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:43,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:43,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:43,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:43,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:43,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:43,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:43,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:43,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:43,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:43,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:43,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:43,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:43,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:43,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:43,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:43,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:43,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:43,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:43,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:43,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:43,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:43,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:43,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:43,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:43,348 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:43,349 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:43,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/NestedSelfUpdateProblem01.bpl [2019-08-06 16:57:43,351 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/NestedSelfUpdateProblem01.bpl' [2019-08-06 16:57:43,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:43,393 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:43,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:43,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:43,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:43,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:43,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:43,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:43,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:43,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:43" (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 [2019-08-06 16:57:43,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:57:43,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:57:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-06 16:57:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-08-06 16:57:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:57:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-06 16:57:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:57:43,743 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:57:43,743 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:57:43,745 INFO L202 PluginConnector]: Adding new model NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:43 BoogieIcfgContainer [2019-08-06 16:57:43,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:43,745 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:43,745 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:43,746 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:43,747 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "NestedSelfUpdateProblem01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:43" (1/1) ... [2019-08-06 16:57:43,758 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:43,761 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:43,768 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:57:43,777 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:43,778 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:57:43,832 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 3 [2019-08-06 16:57:43,839 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:43,839 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:43,842 INFO L179 IcfgInterpreter]: Location mainErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 8#(and (not (select |old(#valid)| main_p.base)) (not (= |#valid| |old(#valid)|)) (= (store |old(#valid)| main_p.base false) |#valid|)) [2019-08-06 16:57:43,843 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:43,851 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:43,854 INFO L168 Benchmark]: Toolchain (without parser) took 460.67 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 91.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:43,856 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:43,857 INFO L168 Benchmark]: Boogie Preprocessor took 51.48 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:43,858 INFO L168 Benchmark]: RCFGBuilder took 299.60 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:43,860 INFO L168 Benchmark]: Symbolic Interpretation took 106.09 ms. Allocated memory is still 139.5 MB. Free memory was 96.3 MB in the beginning and 92.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:43,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 37]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.48 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.60 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 96.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 106.09 ms. Allocated memory is still 139.5 MB. Free memory was 96.3 MB in the beginning and 92.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...