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/regression/bpl/interprocedural/TestPreconditionYieldsSafetyOfCaller.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:27,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:27,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:27,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:27,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:27,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:27,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:27,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:27,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:27,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:27,465 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:27,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:27,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:27,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:27,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:27,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:27,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:27,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:27,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:27,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:27,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:27,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:27,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:27,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:27,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:27,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:27,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:27,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:27,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:27,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:27,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:27,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:27,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:27,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:27,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:27,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:27,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:27,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:27,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:27,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:27,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:27,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:27,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:27,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:27,565 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:27,566 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:27,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/TestPreconditionYieldsSafetyOfCaller.bpl [2019-08-06 16:58:27,567 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/TestPreconditionYieldsSafetyOfCaller.bpl' [2019-08-06 16:58:27,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:27,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:27,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:27,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:27,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:27,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:27,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:27,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:27,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:27,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (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 16:58:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure caller [2019-08-06 16:58:27,722 INFO L138 BoogieDeclarations]: Found implementation of procedure caller [2019-08-06 16:58:27,722 INFO L130 BoogieDeclarations]: Found specification of procedure callee [2019-08-06 16:58:27,879 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:27,880 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:27,881 INFO L202 PluginConnector]: Adding new model TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27 BoogieIcfgContainer [2019-08-06 16:58:27,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:27,882 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,882 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:27,885 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:27,886 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestPreconditionYieldsSafetyOfCaller.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,898 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:27,901 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:27,912 INFO L160 IcfgInterpreter]: Initial procedures are [caller] [2019-08-06 16:58:27,923 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:27,924 INFO L185 IcfgInterpreter]: Interpreting procedure caller with input of size 1 [2019-08-06 16:58:27,962 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:27,963 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:27,965 INFO L179 IcfgInterpreter]: Location callerErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (<= 0 g)) (= g 0)) [2019-08-06 16:58:27,966 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:27,974 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,977 INFO L168 Benchmark]: Toolchain (without parser) took 373.64 ms. Allocated memory is still 139.5 MB. Free memory was 108.0 MB in the beginning and 93.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,978 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,980 INFO L168 Benchmark]: Boogie Preprocessor took 42.39 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,981 INFO L168 Benchmark]: RCFGBuilder took 235.66 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 97.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,982 INFO L168 Benchmark]: Symbolic Interpretation took 92.17 ms. Allocated memory is still 139.5 MB. Free memory was 97.1 MB in the beginning and 93.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 16]: 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 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.39 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.66 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 97.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 92.17 ms. Allocated memory is still 139.5 MB. Free memory was 97.1 MB in the beginning and 93.3 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...