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-multiassign-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:14,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:14,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:14,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:14,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:14,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:14,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:14,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:14,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:14,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:14,739 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:14,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:14,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:14,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:14,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:14,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:14,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:14,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:14,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:14,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:14,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:14,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:14,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:14,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:14,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:14,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:14,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:14,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:14,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:14,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:14,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:14,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:14,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:14,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:14,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:14,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:14,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:14,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:14,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:14,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:14,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:14,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:14,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:14,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:14,840 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:14,841 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:14,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-multiassign-safe.bpl [2019-08-06 16:59:14,843 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-multiassign-safe.bpl' [2019-08-06 16:59:14,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:14,880 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:14,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:14,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:14,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:14,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (1/1) ... [2019-08-06 16:59:14,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:14,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:14,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:14,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:14,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:14" (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 [2019-08-06 16:59:15,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:59:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:59:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:59:15,186 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:59:15,186 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:15,188 INFO L202 PluginConnector]: Adding new model stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:15 BoogieIcfgContainer [2019-08-06 16:59:15,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:15,189 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:15,189 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:15,189 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:15,190 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-multiassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:15" (1/1) ... [2019-08-06 16:59:15,202 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:15,204 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:15,211 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:59:15,220 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:15,222 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:59:15,264 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:15,264 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:15,267 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT has predicate 7#(and (= 1 ULTIMATE.start_y) (= 1 ULTIMATE.start_x) (or (not (= 1 ULTIMATE.start_x)) (not (= 1 ULTIMATE.start_y)))) [2019-08-06 16:59:15,267 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 10#false [2019-08-06 16:59:15,268 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:15,276 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:15,278 INFO L168 Benchmark]: Toolchain (without parser) took 397.78 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 93.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:15,280 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:15,281 INFO L168 Benchmark]: Boogie Preprocessor took 47.87 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 106.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:15,282 INFO L168 Benchmark]: RCFGBuilder took 256.07 ms. Allocated memory is still 132.1 MB. Free memory was 106.0 MB in the beginning and 97.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:15,283 INFO L168 Benchmark]: Symbolic Interpretation took 87.18 ms. Allocated memory is still 132.1 MB. Free memory was 97.0 MB in the beginning and 93.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:15,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: 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: 11]: 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 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.87 ms. Allocated memory is still 132.1 MB. Free memory was 108.2 MB in the beginning and 106.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.07 ms. Allocated memory is still 132.1 MB. Free memory was 106.0 MB in the beginning and 97.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 87.18 ms. Allocated memory is still 132.1 MB. Free memory was 97.0 MB in the beginning and 93.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...