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/unrolling-tests/ReachDef-Simple.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:01:59,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:01:59,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:01:59,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:01:59,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:01:59,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:01:59,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:01:59,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:01:59,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:01:59,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:01:59,866 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:01:59,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:01:59,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:01:59,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:01:59,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:01:59,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:01:59,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:01:59,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:01:59,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:01:59,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:01:59,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:01:59,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:01:59,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:01:59,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:01:59,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:01:59,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:01:59,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:01:59,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:01:59,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:01:59,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:01:59,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:01:59,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:01:59,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:01:59,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:01:59,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:01:59,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:01:59,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:01:59,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:01:59,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:01:59,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:01:59,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:01:59,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:01:59,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:01:59,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:01:59,958 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:01:59,959 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:01:59,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-Simple.bpl [2019-08-09 14:01:59,960 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-Simple.bpl' [2019-08-09 14:01:59,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:01:59,992 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:01:59,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:01:59,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:01:59,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:02:00,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (1/1) ... [2019-08-09 14:02:00,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:02:00,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:02:00,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:02:00,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:02:00,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:01:59" (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 [2019-08-09 14:02:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-09 14:02:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-09 14:02:00,294 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:02:00,294 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:02:00,296 INFO L202 PluginConnector]: Adding new model ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:02:00 BoogieIcfgContainer [2019-08-09 14:02:00,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:02:00,297 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:02:00,297 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:02:00,297 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:02:00,298 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:02:00" (1/1) ... [2019-08-09 14:02:00,466 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:02:00,472 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:02:00,476 INFO L168 Benchmark]: Toolchain (without parser) took 482.33 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 91.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:02:00,477 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:02:00,478 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:02:00,480 INFO L168 Benchmark]: RCFGBuilder took 258.06 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 96.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:02:00,481 INFO L168 Benchmark]: Symbolic Interpretation took 175.98 ms. Allocated memory is still 131.1 MB. Free memory was 96.2 MB in the beginning and 91.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:02:00,488 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. Predicate is 23#(and (not (= Main_z (+ (* (- 1) Main_y) Main_x))) (= Main_z 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 108.7 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 131.1 MB. Free memory was 107.4 MB in the beginning and 105.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 258.06 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 96.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 175.98 ms. Allocated memory is still 131.1 MB. Free memory was 96.2 MB in the beginning and 91.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...