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/TestSpecificationEnsuresModGlobalVar02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:17,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:17,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:17,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:17,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:17,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:17,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:17,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:17,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:17,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:17,975 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:17,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:17,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:17,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:17,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:17,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:17,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:17,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:17,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:17,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:17,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:17,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:17,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:17,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:17,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:17,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:17,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:17,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:17,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:17,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:17,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:17,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:17,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:17,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:18,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:18,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:18,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:18,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:18,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:18,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:18,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:18,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:18,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:18,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:18,057 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:18,058 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:18,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/TestSpecificationEnsuresModGlobalVar02.bpl [2019-08-06 16:58:18,059 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/TestSpecificationEnsuresModGlobalVar02.bpl' [2019-08-06 16:58:18,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:18,090 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:18,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:18,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:18,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:18,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:18,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:18,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:18,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:18,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:18" (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 16:58:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure caller [2019-08-06 16:58:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure caller [2019-08-06 16:58:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure callee [2019-08-06 16:58:18,328 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:18,329 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:18,330 INFO L202 PluginConnector]: Adding new model TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:18 BoogieIcfgContainer [2019-08-06 16:58:18,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:18,331 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:18,331 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:18,331 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:18,332 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestSpecificationEnsuresModGlobalVar02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:18" (1/1) ... [2019-08-06 16:58:18,344 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:18,348 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:18,355 INFO L160 IcfgInterpreter]: Initial procedures are [caller] [2019-08-06 16:58:18,363 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:18,365 INFO L185 IcfgInterpreter]: Interpreting procedure caller with input of size 1 [2019-08-06 16:58:18,416 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:18,417 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:18,422 INFO L179 IcfgInterpreter]: Location callerErr0ASSERT_VIOLATIONASSERT has predicate 6#(not (= g 0)) [2019-08-06 16:58:18,424 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:18,433 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:18,436 INFO L168 Benchmark]: Toolchain (without parser) took 344.95 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 94.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:18,438 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:18,439 INFO L168 Benchmark]: Boogie Preprocessor took 33.51 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:18,442 INFO L168 Benchmark]: RCFGBuilder took 206.34 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 98.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:18,443 INFO L168 Benchmark]: Symbolic Interpretation took 102.01 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 94.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:18,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: 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 0.23 ms. Allocated memory is still 132.1 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.51 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.34 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 98.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 102.01 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 94.2 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...