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/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:27,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:27,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:27,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:27,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:27,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:27,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:27,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:27,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:27,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:27,791 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:27,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:27,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:27,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:27,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:27,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:27,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:27,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:27,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:27,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:27,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:27,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:27,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:27,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:27,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:27,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:27,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:27,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:27,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:27,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:27,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:27,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:27,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:27,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:27,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:27,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:27,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:27,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:27,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:27,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:27,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:27,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:27,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:27,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:27,868 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:27,870 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:27,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl [2019-08-05 18:12:27,871 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl' [2019-08-05 18:12:27,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:27,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:27,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:27,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:27,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:27,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (1/1) ... [2019-08-05 18:12:27,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:27,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:27,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:27,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:27,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:27" (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 [2019-08-05 18:12:28,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:28,539 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:28,539 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:12:28,540 INFO L202 PluginConnector]: Adding new model Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:28 BoogieIcfgContainer [2019-08-05 18:12:28,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:28,541 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:28,541 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:28,541 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:28,542 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:28" (1/1) ... [2019-08-05 18:12:28,553 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:28,556 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:28,562 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:28,570 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:28,571 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:28,660 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:28,660 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:28,663 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (= main_a_x 1000) (exists ((v_main_a_y_38 Int) (v_main_a_x_35 Int)) (and (or (and (= main_y main_x) (= (+ main_a_y 1) main_a_x)) (and (= (+ v_main_a_x_35 1) main_a_x) (not (= main_y main_x)))) (or (and (= (+ main_a_y 1) v_main_a_y_38) (not (= main_y main_x))) (and (= main_y main_x) (= (+ main_a_y 1) (+ v_main_a_x_35 2)))))) (not (<= main_a_y 0))) [2019-08-05 18:12:28,665 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:28,672 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:28,675 INFO L168 Benchmark]: Toolchain (without parser) took 770.51 ms. Allocated memory is still 130.5 MB. Free memory was 106.9 MB in the beginning and 83.9 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:28,676 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:28,677 INFO L168 Benchmark]: Boogie Preprocessor took 47.10 ms. Allocated memory is still 130.5 MB. Free memory was 106.9 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:28,679 INFO L168 Benchmark]: RCFGBuilder took 587.91 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 89.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:28,680 INFO L168 Benchmark]: Symbolic Interpretation took 131.47 ms. Allocated memory is still 130.5 MB. Free memory was 89.4 MB in the beginning and 83.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:28,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 41]: 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 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.10 ms. Allocated memory is still 130.5 MB. Free memory was 106.9 MB in the beginning and 104.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 587.91 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 89.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 131.47 ms. Allocated memory is still 130.5 MB. Free memory was 89.4 MB in the beginning and 83.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...