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/TestSpecificationEnsuresModGlobalVar06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:26,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:26,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:26,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:26,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:26,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:26,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:26,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:26,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:26,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:26,949 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:26,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:26,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:26,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:26,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:26,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:26,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:26,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:26,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:26,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:26,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:26,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:26,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:26,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:26,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:26,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:26,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:26,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:26,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:26,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:26,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:26,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:26,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:26,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:26,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:26,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:26,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:26,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:26,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:26,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:26,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:27,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:27,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:27,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:27,058 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:27,059 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:27,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/TestSpecificationEnsuresModGlobalVar06.bpl [2019-08-06 16:58:27,060 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/TestSpecificationEnsuresModGlobalVar06.bpl' [2019-08-06 16:58:27,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:27,095 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:27,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:27,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:27,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:27,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:27,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:27,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:27,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:27,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSpecificationEnsuresModGlobalVar06.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 16:58:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure caller [2019-08-06 16:58:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure caller [2019-08-06 16:58:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure callee [2019-08-06 16:58:27,397 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:27,397 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:27,399 INFO L202 PluginConnector]: Adding new model TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27 BoogieIcfgContainer [2019-08-06 16:58:27,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:27,400 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,400 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:27,400 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:27,401 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSpecificationEnsuresModGlobalVar06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:27" (1/1) ... [2019-08-06 16:58:27,412 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:27,415 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:27,422 INFO L160 IcfgInterpreter]: Initial procedures are [caller] [2019-08-06 16:58:27,430 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:27,432 INFO L185 IcfgInterpreter]: Interpreting procedure caller with input of size 1 [2019-08-06 16:58:27,467 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:27,468 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:27,471 INFO L179 IcfgInterpreter]: Location callerErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= g (+ g caller_a)) (not (= caller_a 0)) (= g 0)) [2019-08-06 16:58:27,472 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:27,492 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:27,496 INFO L168 Benchmark]: Toolchain (without parser) took 400.34 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 94.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,498 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:27,499 INFO L168 Benchmark]: Boogie Preprocessor took 46.33 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,502 INFO L168 Benchmark]: RCFGBuilder took 256.40 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 97.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,503 INFO L168 Benchmark]: Symbolic Interpretation took 94.22 ms. Allocated memory is still 133.7 MB. Free memory was 97.8 MB in the beginning and 94.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:27,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.33 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.40 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 97.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 94.22 ms. Allocated memory is still 133.7 MB. Free memory was 97.8 MB in the beginning and 94.0 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...