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/oct/stmt-assign-relational-twoVar.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:32,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:32,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:32,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:32,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:32,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:32,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:32,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:32,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:32,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:32,600 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:32,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:32,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:32,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:32,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:32,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:32,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:32,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:32,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:32,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:32,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:32,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:32,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:32,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:32,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:32,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:32,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:32,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:32,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:32,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:32,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:32,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:32,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:32,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:32,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:32,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:32,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:32,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:32,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:32,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:32,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:32,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:32,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:32,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:32,683 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:32,684 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:32,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/oct/stmt-assign-relational-twoVar.bpl [2019-08-09 14:19:32,685 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/oct/stmt-assign-relational-twoVar.bpl' [2019-08-09 14:19:32,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:32,719 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:32,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:32,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:32,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:32,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:32,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:32,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:32,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:32,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:32,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:32" (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 14:19:32,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:19:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:19:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:19:32,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:19:32,986 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:32,988 INFO L202 PluginConnector]: Adding new model stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:32 BoogieIcfgContainer [2019-08-09 14:19:32,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:32,989 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:32,989 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:32,989 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:32,990 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-assign-relational-twoVar.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:32" (1/1) ... [2019-08-09 14:19:33,127 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:33,140 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:33,145 INFO L168 Benchmark]: Toolchain (without parser) took 423.75 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 90.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:33,148 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:33,149 INFO L168 Benchmark]: Boogie Preprocessor took 38.62 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:33,150 INFO L168 Benchmark]: RCFGBuilder took 229.73 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 94.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:33,152 INFO L168 Benchmark]: Symbolic Interpretation took 151.97 ms. Allocated memory is still 137.9 MB. Free memory was 94.6 MB in the beginning and 90.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:33,159 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. Predicate is 11#(and (<= (+ ULTIMATE.start_x 1) ULTIMATE.start_y) (<= ULTIMATE.start_y (+ ULTIMATE.start_x 3)) (= (+ (* (- 1) ULTIMATE.start_y) ULTIMATE.start_x) ULTIMATE.start_rel) (or (not (<= 0 (+ ULTIMATE.start_rel 3))) (not (<= (+ ULTIMATE.start_rel 1) 0)))). Possible FailurePath: - UnprovableResult [Line: 18]: 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 8#(and (<= ULTIMATE.start_x (+ ULTIMATE.start_y 2)) (= (+ ULTIMATE.start_y (* (- 1) ULTIMATE.start_x)) ULTIMATE.start_rel) (or (not (<= ULTIMATE.start_rel 3)) (not (<= 0 (+ ULTIMATE.start_rel 2)))) (<= ULTIMATE.start_y (+ ULTIMATE.start_x 3))). Possible FailurePath: - UnprovableResult [Line: 8]: 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 14#(and (<= (+ ULTIMATE.start_y ULTIMATE.start_x) 4) (<= 2 (+ ULTIMATE.start_y ULTIMATE.start_x)) (or (not (<= 2 ULTIMATE.start_rel)) (not (<= ULTIMATE.start_rel 4))) (= (+ ULTIMATE.start_y ULTIMATE.start_x) ULTIMATE.start_rel)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.62 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 104.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.73 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 94.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 151.97 ms. Allocated memory is still 137.9 MB. Free memory was 94.6 MB in the beginning and 90.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...