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-simpleassign-safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:22,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:22,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:22,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:22,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:22,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:22,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:22,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:22,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:22,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:22,278 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:22,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:22,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:22,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:22,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:22,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:22,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:22,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:22,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:22,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:22,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:22,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:22,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:22,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:22,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:22,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:22,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:22,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:22,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:22,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:22,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:22,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:22,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:22,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:22,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:22,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:22,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:22,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:22,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:22,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:22,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:22,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:22,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:22,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:22,346 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:22,346 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:22,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-simpleassign-safe.bpl [2019-08-09 14:20:22,347 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/stmt-simpleassign-safe.bpl' [2019-08-09 14:20:22,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:22,371 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:22,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:22,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:22,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:22,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:22,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:22,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:22,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:22,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:22" (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 14:20:22,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:20:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:20:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:20:22,593 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:20:22,593 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:22,595 INFO L202 PluginConnector]: Adding new model stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:22 BoogieIcfgContainer [2019-08-09 14:20:22,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:22,596 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:22,596 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:22,596 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:22,599 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "stmt-simpleassign-safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:22" (1/1) ... [2019-08-09 14:20:22,761 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:22,773 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:22,777 INFO L168 Benchmark]: Toolchain (without parser) took 403.03 ms. Allocated memory is still 137.4 MB. Free memory was 105.8 MB in the beginning and 90.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:22,779 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 137.4 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:22,781 INFO L168 Benchmark]: Boogie Preprocessor took 33.29 ms. Allocated memory is still 137.4 MB. Free memory was 105.8 MB in the beginning and 103.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:22,782 INFO L168 Benchmark]: RCFGBuilder took 189.74 ms. Allocated memory is still 137.4 MB. Free memory was 103.6 MB in the beginning and 94.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:22,784 INFO L168 Benchmark]: Symbolic Interpretation took 177.39 ms. Allocated memory is still 137.4 MB. Free memory was 94.5 MB in the beginning and 90.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:22,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 12#(and (or (not (= 5 ULTIMATE.start_x)) (not (= 4 ULTIMATE.start_y))) (= ULTIMATE.start_x (+ ULTIMATE.start_y 1)) (= 5 ULTIMATE.start_x)). 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 9#(and (= (* 5 ULTIMATE.start_y) ULTIMATE.start_x) (= 4 ULTIMATE.start_y) (not (= 20 ULTIMATE.start_x)) (= ULTIMATE.start_y 4)). Possible FailurePath: - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 14]: 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 137.4 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.29 ms. Allocated memory is still 137.4 MB. Free memory was 105.8 MB in the beginning and 103.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 189.74 ms. Allocated memory is still 137.4 MB. Free memory was 103.6 MB in the beginning and 94.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 177.39 ms. Allocated memory is still 137.4 MB. Free memory was 94.5 MB in the beginning and 90.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...