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/regression/all/stmt-varupdate-assume-easy-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:26,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:26,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:26,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:26,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:26,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:26,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:26,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:26,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:26,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:26,834 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:26,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:26,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:26,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:26,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:26,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:26,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:26,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:26,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:26,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:26,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:26,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:26,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:26,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:26,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:26,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:26,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:26,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:26,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:26,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:26,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:26,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:26,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:26,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:26,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:26,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:26,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:26,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:26,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:26,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:26,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:26,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:26,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:26,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:26,951 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:26,952 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:26,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-varupdate-assume-easy-safe.bpl [2019-08-05 18:16:26,952 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-varupdate-assume-easy-safe.bpl' [2019-08-05 18:16:26,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:26,983 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:26,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:26,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:26,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:27,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (1/1) ... [2019-08-05 18:16:27,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:27,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:27,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:27,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:27,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:26" (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 18:16:27,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:27,323 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:27,323 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:27,325 INFO L202 PluginConnector]: Adding new model stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:27 BoogieIcfgContainer [2019-08-05 18:16:27,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:27,326 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:27,326 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:27,327 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:27,328 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-varupdate-assume-easy-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:27" (1/1) ... [2019-08-05 18:16:27,340 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-05 18:16:27,345 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:27,356 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:27,370 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:27,372 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:27,429 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:27,429 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:27,432 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT has predicate 8#(and (= 3 ULTIMATE.start_y) (not (= 3 ULTIMATE.start_x)) (<= 0 ULTIMATE.start_x) (= (- ULTIMATE.start_y) (- ULTIMATE.start_x)) (<= ULTIMATE.start_x 10)) [2019-08-05 18:16:27,432 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 14#false [2019-08-05 18:16:27,433 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 11#false [2019-08-05 18:16:27,434 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:27,442 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:27,445 INFO L168 Benchmark]: Toolchain (without parser) took 460.63 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 92.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:27,447 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:27,448 INFO L168 Benchmark]: Boogie Preprocessor took 42.69 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:27,449 INFO L168 Benchmark]: RCFGBuilder took 298.77 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 96.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:27,451 INFO L168 Benchmark]: Symbolic Interpretation took 115.94 ms. Allocated memory is still 138.9 MB. Free memory was 96.1 MB in the beginning and 92.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:27,456 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 13]: assertion always holds For all program executions holds that assertion always holds at this location * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.69 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.77 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 96.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 115.94 ms. Allocated memory is still 138.9 MB. Free memory was 96.1 MB in the beginning and 92.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...