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/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:47:03,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:47:03,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:47:03,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:47:03,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:47:03,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:47:03,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:47:03,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:47:03,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:47:03,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:47:03,041 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:47:03,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:47:03,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:47:03,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:47:03,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:47:03,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:47:03,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:47:03,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:47:03,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:47:03,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:47:03,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:47:03,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:47:03,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:47:03,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:47:03,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:47:03,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:47:03,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:47:03,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:47:03,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:47:03,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:47:03,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:47:03,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:47:03,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:47:03,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:47:03,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:47:03,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:47:03,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:47:03,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:47:03,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:47:03,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:47:03,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:47:03,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:47:03,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:47:03,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:47:03,130 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:47:03,130 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:47:03,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl [2019-08-06 16:47:03,131 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/schaetzc/backtranslation/ReturnWithoutCall.bpl' [2019-08-06 16:47:03,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:47:03,162 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:47:03,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:47:03,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:47:03,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:47:03,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:47:03,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:47:03,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:47:03,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:47:03,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:47:03" (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 16:47:03,276 INFO L124 BoogieDeclarations]: Specification and implementation of procedure a given in one single declaration [2019-08-06 16:47:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure a [2019-08-06 16:47:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure a [2019-08-06 16:47:03,277 INFO L124 BoogieDeclarations]: Specification and implementation of procedure b given in one single declaration [2019-08-06 16:47:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure b [2019-08-06 16:47:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure b [2019-08-06 16:47:03,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure c given in one single declaration [2019-08-06 16:47:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure c [2019-08-06 16:47:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure c [2019-08-06 16:47:03,466 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:47:03,496 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:47:03,497 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:47:03,498 INFO L202 PluginConnector]: Adding new model ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:03 BoogieIcfgContainer [2019-08-06 16:47:03,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:47:03,499 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:47:03,499 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:47:03,500 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:47:03,501 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ReturnWithoutCall.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:47:03" (1/1) ... [2019-08-06 16:47:03,513 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-06 16:47:03,516 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:47:03,523 INFO L160 IcfgInterpreter]: Initial procedures are [a, c, b] [2019-08-06 16:47:03,532 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:47:03,534 INFO L185 IcfgInterpreter]: Interpreting procedure a with input of size 1 [2019-08-06 16:47:03,633 INFO L185 IcfgInterpreter]: Interpreting procedure c with input of size 1 [2019-08-06 16:47:03,635 INFO L185 IcfgInterpreter]: Interpreting procedure b with input of size 1 [2019-08-06 16:47:03,638 INFO L185 IcfgInterpreter]: Interpreting procedure c with input of size 1 [2019-08-06 16:47:03,639 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:47:03,640 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:47:03,645 INFO L179 IcfgInterpreter]: Location cErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 33#false [2019-08-06 16:47:03,645 INFO L179 IcfgInterpreter]: Location bErr1ENSURES_VIOLATIONPOST_CONDITION has predicate 25#false [2019-08-06 16:47:03,645 INFO L179 IcfgInterpreter]: Location aErr0ASSERT_VIOLATIONASSERT has predicate 14#true [2019-08-06 16:47:03,646 INFO L179 IcfgInterpreter]: Location bErr0REQUIRES_VIOLATIONPRE_CONDITION has predicate 29#false [2019-08-06 16:47:03,647 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:47:03,656 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:47:03,659 INFO L168 Benchmark]: Toolchain (without parser) took 496.39 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 93.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:03,661 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:47:03,662 INFO L168 Benchmark]: Boogie Preprocessor took 38.17 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:03,664 INFO L168 Benchmark]: RCFGBuilder took 297.78 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 97.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:03,666 INFO L168 Benchmark]: Symbolic Interpretation took 157.23 ms. Allocated memory is still 140.5 MB. Free memory was 97.9 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:47:03,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 14]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - PositiveResult [Line: 7]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - UnprovableResult [Line: 4]: 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.. Possible FailurePath: - PositiveResult [Line: 10]: procedure precondition always holds For all program executions holds that procedure precondition always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.17 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 297.78 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 97.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 157.23 ms. Allocated memory is still 140.5 MB. Free memory was 97.9 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...