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 0.1.24-3b9210c [2019-08-06 16:55:15,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:15,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:15,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:15,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:15,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:15,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:15,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:15,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:15,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:15,229 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:15,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:15,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:15,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:15,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:15,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:15,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:15,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:15,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:15,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:15,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:15,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:15,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:15,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:15,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:15,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:15,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:15,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:15,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:15,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:15,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:15,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:15,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:15,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:15,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:15,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:15,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:15,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:15,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:15,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:15,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:15,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:15,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:15,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:15,302 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:15,303 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:15,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/procedural-example-07a.bpl [2019-08-06 16:55:15,304 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/procedural-example-07a.bpl' [2019-08-06 16:55:15,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:15,337 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:15,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:15,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:15,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:15,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:15,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:15,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:15,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:15,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:15" (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 16:55:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:55:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:55:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2019-08-06 16:55:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2019-08-06 16:55:15,683 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:55:15,684 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:15,685 INFO L202 PluginConnector]: Adding new model procedural-example-07a.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:15 BoogieIcfgContainer [2019-08-06 16:55:15,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:15,686 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:15,686 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:15,686 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:15,687 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 06.08 04:55:15" (1/1) ... [2019-08-06 16:55:15,699 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:55:15,702 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:15,709 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:55:15,718 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:15,720 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:55:15,764 INFO L185 IcfgInterpreter]: Interpreting procedure bar with input of size 3 [2019-08-06 16:55:15,765 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:15,766 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:15,769 INFO L179 IcfgInterpreter]: Location barErr0ASSERT_VIOLATIONASSERT has predicate 14#(and (not (= 4 g)) (= 3 g)) [2019-08-06 16:55:15,769 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (= 4 g) (= g 0) (= 3 g)) [2019-08-06 16:55:15,770 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:15,778 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:15,781 INFO L168 Benchmark]: Toolchain (without parser) took 442.79 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 91.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:15,782 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:15,784 INFO L168 Benchmark]: Boogie Preprocessor took 41.12 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:15,785 INFO L168 Benchmark]: RCFGBuilder took 305.53 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 95.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:15,786 INFO L168 Benchmark]: Symbolic Interpretation took 92.74 ms. Allocated memory is still 130.5 MB. Free memory was 95.9 MB in the beginning and 91.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:15,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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.. Possible FailurePath: - 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.. 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 130.5 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.12 ms. Allocated memory is still 130.5 MB. Free memory was 106.8 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.53 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 95.9 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 92.74 ms. Allocated memory is still 130.5 MB. Free memory was 95.9 MB in the beginning and 91.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...