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-b03553c [2019-08-05 18:05:56,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:05:57,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:05:57,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:05:57,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:05:57,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:05:57,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:05:57,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:05:57,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:05:57,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:05:57,021 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:05:57,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:05:57,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:05:57,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:05:57,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:05:57,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:05:57,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:05:57,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:05:57,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:05:57,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:05:57,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:05:57,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:05:57,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:05:57,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:05:57,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:05:57,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:05:57,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:05:57,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:05:57,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:05:57,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:05:57,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:05:57,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:05:57,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:05:57,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:05:57,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:05:57,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:05:57,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:05:57,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:05:57,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:05:57,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:05:57,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:05:57,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:05:57,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:05:57,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:05:57,120 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:05:57,121 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:05:57,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-Simple.bpl [2019-08-05 18:05:57,123 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/unrolling-tests/ReachDef-Simple.bpl' [2019-08-05 18:05:57,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:05:57,161 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:05:57,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:05:57,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:05:57,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:05:57,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:05:57,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:05:57,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:05:57,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:05:57,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:05:57" (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 18:05:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 18:05:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 18:05:57,452 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:05:57,453 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:05:57,455 INFO L202 PluginConnector]: Adding new model ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:57 BoogieIcfgContainer [2019-08-05 18:05:57,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:05:57,455 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:05:57,456 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:05:57,456 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:05:57,457 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ReachDef-Simple.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:05:57" (1/1) ... [2019-08-05 18:05:57,468 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:05:57,470 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:05:57,477 INFO L160 IcfgInterpreter]: Initial procedures are [Main] [2019-08-05 18:05:57,485 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:05:57,487 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-05 18:05:57,591 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:05:57,591 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:05:57,595 INFO L179 IcfgInterpreter]: Location MainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= Main_z (+ (* (- 1) Main_y) Main_x))) (= Main_z 0)) [2019-08-05 18:05:57,596 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:05:57,604 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:05:57,606 INFO L168 Benchmark]: Toolchain (without parser) took 444.62 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 88.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,607 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:05:57,609 INFO L168 Benchmark]: Boogie Preprocessor took 51.31 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 103.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,610 INFO L168 Benchmark]: RCFGBuilder took 241.26 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 94.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,611 INFO L168 Benchmark]: Symbolic Interpretation took 148.42 ms. Allocated memory is still 138.4 MB. Free memory was 94.3 MB in the beginning and 89.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:05:57,615 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.. 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 138.4 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.31 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 103.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 241.26 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 94.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 148.42 ms. Allocated memory is still 138.4 MB. Free memory was 94.3 MB in the beginning and 89.3 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...