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/BugSequentialComposition02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:08,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:08,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:08,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:08,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:08,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:08,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:08,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:08,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:08,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:08,764 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:08,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:08,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:08,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:08,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:08,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:08,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:08,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:08,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:08,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:08,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:08,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:08,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:08,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:08,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:08,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:08,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:08,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:08,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:08,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:08,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:08,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:08,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:08,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:08,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:08,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:08,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:08,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:08,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:08,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:08,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:08,822 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:08,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:08,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:08,849 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:08,849 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:08,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugSequentialComposition02.bpl [2019-08-06 16:58:08,852 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugSequentialComposition02.bpl' [2019-08-06 16:58:08,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:08,888 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:08,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:08,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:08,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:08,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (1/1) ... [2019-08-06 16:58:08,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:08,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:08,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:08,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:08,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:08" (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 16:58:08,998 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-06 16:58:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:09,212 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:09,213 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:09,214 INFO L202 PluginConnector]: Adding new model BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:09 BoogieIcfgContainer [2019-08-06 16:58:09,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:09,215 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:09,216 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:09,216 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:09,217 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugSequentialComposition02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:09" (1/1) ... [2019-08-06 16:58:09,229 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:09,232 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:09,245 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-06 16:58:09,256 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:09,258 INFO L185 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-06 16:58:09,306 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:09,306 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:09,309 INFO L179 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= proc_y 0) (= proc_y proc_a) (not (= proc_y 1))) [2019-08-06 16:58:09,310 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:09,318 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:09,321 INFO L168 Benchmark]: Toolchain (without parser) took 433.38 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 92.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,322 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 139.5 MB. Free memory is still 107.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:09,324 INFO L168 Benchmark]: Boogie Preprocessor took 41.79 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 104.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,325 INFO L168 Benchmark]: RCFGBuilder took 284.15 ms. Allocated memory is still 139.5 MB. Free memory was 104.5 MB in the beginning and 95.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,326 INFO L168 Benchmark]: Symbolic Interpretation took 102.95 ms. Allocated memory is still 139.5 MB. Free memory was 95.9 MB in the beginning and 92.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:09,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 0.31 ms. Allocated memory is still 139.5 MB. Free memory is still 107.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.79 ms. Allocated memory is still 139.5 MB. Free memory was 106.6 MB in the beginning and 104.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.15 ms. Allocated memory is still 139.5 MB. Free memory was 104.5 MB in the beginning and 95.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 102.95 ms. Allocated memory is still 139.5 MB. Free memory was 95.9 MB in the beginning and 92.1 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...