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/abstractInterpretation/unclassified/EasyLoop_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:33,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:33,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:33,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:33,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:33,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:33,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:33,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:33,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:33,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:33,142 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:33,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:33,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:33,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:33,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:33,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:33,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:33,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:33,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:33,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:33,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:33,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:33,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:33,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:33,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:33,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:33,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:33,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:33,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:33,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:33,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:33,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:33,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:33,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:33,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:33,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:33,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:33,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:33,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:33,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:33,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:33,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:33,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:33,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:33,208 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:33,209 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:33,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyLoop_incorrect.bpl [2019-08-09 14:20:33,210 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyLoop_incorrect.bpl' [2019-08-09 14:20:33,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:33,236 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:33,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:33,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:33,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:33,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:33,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:33,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:33,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:33,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:33" (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 14:20:33,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-09 14:20:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-09 14:20:33,346 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-09 14:20:33,508 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:33,509 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:33,510 INFO L202 PluginConnector]: Adding new model EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:33 BoogieIcfgContainer [2019-08-09 14:20:33,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:33,511 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:33,511 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:33,511 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:33,512 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "EasyLoop_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:33" (1/1) ... [2019-08-09 14:20:33,676 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:33,683 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:33,686 INFO L168 Benchmark]: Toolchain (without parser) took 448.46 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 90.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,687 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,689 INFO L168 Benchmark]: Boogie Preprocessor took 41.93 ms. Allocated memory is still 132.1 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,690 INFO L168 Benchmark]: RCFGBuilder took 231.25 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 95.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,691 INFO L168 Benchmark]: Symbolic Interpretation took 172.35 ms. Allocated memory is still 132.1 MB. Free memory was 95.8 MB in the beginning and 90.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:33,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 47#(and (or (and (not (< EasyLoop_x 5)) (not (< EasyLoop_x EasyLoop_y))) (and (not (< EasyLoop_x 5)) (= 0 EasyLoop_x) (= 0 EasyLoop_y))) (not (= EasyLoop_x EasyLoop_y))). 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 132.1 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.93 ms. Allocated memory is still 132.1 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.25 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 95.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 172.35 ms. Allocated memory is still 132.1 MB. Free memory was 95.8 MB in the beginning and 90.2 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...