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/sifa/02-if-else.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:56,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:56,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:56,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:56,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:56,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:56,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:56,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:56,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:56,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:56,267 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:56,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:56,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:56,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:56,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:56,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:56,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:56,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:56,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:56,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:56,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:56,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:56,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:56,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:56,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:56,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:56,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:56,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:56,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:56,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:56,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:56,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:56,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:56,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:56,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:56,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:56,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:56,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:56,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:56,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:56,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:56,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:56,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:56,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:56,354 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:56,355 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:56,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/02-if-else.bpl [2019-08-06 16:46:56,356 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/BoogiePL/sifa/02-if-else.bpl' [2019-08-06 16:46:56,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:56,381 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:56,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:56,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:56,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:56,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:56,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:56,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:56,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:56,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:56" (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 16:46:56,489 INFO L124 BoogieDeclarations]: Specification and implementation of procedure f given in one single declaration [2019-08-06 16:46:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-06 16:46:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-06 16:46:56,733 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:56,733 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:46:56,734 INFO L202 PluginConnector]: Adding new model 02-if-else.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:56 BoogieIcfgContainer [2019-08-06 16:46:56,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:56,735 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:56,735 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:56,735 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:56,736 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "02-if-else.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:56" (1/1) ... [2019-08-06 16:46:56,745 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:46:56,748 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:56,755 INFO L160 IcfgInterpreter]: Initial procedures are [f] [2019-08-06 16:46:56,762 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:56,763 INFO L185 IcfgInterpreter]: Interpreting procedure f with input of size 1 [2019-08-06 16:46:56,803 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:56,803 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:56,806 INFO L179 IcfgInterpreter]: Location fErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (not (= f_i 0)) (or (= f_i 1) (= f_i 0)) (not (= f_i 1))) [2019-08-06 16:46:56,807 INFO L179 IcfgInterpreter]: Location fErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (not (= f_i 0)) (or (= f_i 1) (= f_i 0))) [2019-08-06 16:46:56,808 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:56,816 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:56,819 INFO L168 Benchmark]: Toolchain (without parser) took 436.81 ms. Allocated memory is still 134.2 MB. Free memory was 110.7 MB in the beginning and 96.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:56,821 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:46:56,822 INFO L168 Benchmark]: Boogie Preprocessor took 41.80 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 108.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:56,824 INFO L168 Benchmark]: RCFGBuilder took 310.13 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 100.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:56,825 INFO L168 Benchmark]: Symbolic Interpretation took 81.73 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 96.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:56,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: 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: - UnprovableResult [Line: 10]: 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.80 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 108.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 310.13 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 100.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 81.73 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 96.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...