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/concurrent/CPS1-1617-Sheet03-Exercise03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:25:16,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:25:16,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:25:16,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:25:16,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:25:16,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:25:16,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:25:16,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:25:16,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:25:16,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:25:16,763 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:25:16,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:25:16,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:25:16,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:25:16,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:25:16,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:25:16,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:25:16,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:25:16,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:25:16,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:25:16,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:25:16,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:25:16,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:25:16,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:25:16,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:25:16,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:25:16,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:25:16,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:25:16,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:25:16,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:25:16,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:25:16,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:25:16,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:25:16,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:25:16,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:25:16,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:25:16,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:25:16,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:25:16,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:25:16,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:25:16,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:25:16,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:25:16,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:25:16,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:25:16,856 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:25:16,857 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:25:16,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/CPS1-1617-Sheet03-Exercise03.bpl [2019-08-05 11:25:16,858 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/CPS1-1617-Sheet03-Exercise03.bpl' [2019-08-05 11:25:16,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:25:16,891 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:25:16,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:25:16,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:25:16,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:25:16,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:25:16,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:25:16,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:25:16,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:25:16,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (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 [2019-08-05 11:25:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-05 11:25:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-05 11:25:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure Thread0 [2019-08-05 11:25:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread0 [2019-08-05 11:25:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure Thread1 [2019-08-05 11:25:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread1 [2019-08-05 11:25:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure Thread2 [2019-08-05 11:25:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread2 [2019-08-05 11:25:17,445 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:25:17,445 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:25:17,447 INFO L202 PluginConnector]: Adding new model CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:17 BoogieIcfgContainer [2019-08-05 11:25:17,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:25:17,447 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:25:17,447 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:25:17,448 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:25:17,449 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CPS1-1617-Sheet03-Exercise03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:17" (1/1) ... [2019-08-05 11:25:17,460 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:25:17,463 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:25:17,475 INFO L160 IcfgInterpreter]: Initial procedures are [Thread0] [2019-08-05 11:25:17,483 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:25:17,485 INFO L184 IcfgInterpreter]: Interpreting procedure Thread0 with input of size 1 [2019-08-05 11:25:17,826 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:25:17,826 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:25:17,830 INFO L178 IcfgInterpreter]: Location Thread0Err0ASSERT_VIOLATIONASSERT has predicate 23#(and (<= Thread0_i 4) (not (<= Thread0_i 3)) (= x Thread0_x_local) (= 3 finished_processes) (= 1 x)) [2019-08-05 11:25:17,840 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:25:17,843 INFO L168 Benchmark]: Toolchain (without parser) took 951.29 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 80.3 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:17,845 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:25:17,846 INFO L168 Benchmark]: Boogie Preprocessor took 49.36 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 106.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:17,849 INFO L168 Benchmark]: RCFGBuilder took 505.60 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 94.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:17,850 INFO L168 Benchmark]: Symbolic Interpretation took 392.72 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 80.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:17,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 39]: 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 is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.36 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 106.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 505.60 ms. Allocated memory is still 139.5 MB. Free memory was 106.5 MB in the beginning and 94.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 392.72 ms. Allocated memory is still 139.5 MB. Free memory was 94.8 MB in the beginning and 80.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...