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/eq/31_weak_eq_propagation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:02,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:02,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:02,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:02,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:02,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:02,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:02,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:02,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:02,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:02,248 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:02,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:02,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:02,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:02,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:02,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:02,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:02,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:02,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:02,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:02,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:02,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:02,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:02,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:02,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:02,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:02,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:02,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:02,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:02,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:02,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:02,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:02,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:02,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:02,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:02,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:02,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:02,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:02,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:02,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:02,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:02,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:02,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:02,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:02,329 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:02,330 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:02,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/31_weak_eq_propagation.bpl [2019-08-05 18:16:02,331 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/31_weak_eq_propagation.bpl' [2019-08-05 18:16:02,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:02,361 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:02,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:02,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:02,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:02,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:02,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:02,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:02,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:02,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:02" (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 18:16:02,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 18:16:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 18:16:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 18:16:02,634 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:16:02,634 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:02,635 INFO L202 PluginConnector]: Adding new model 31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:02 BoogieIcfgContainer [2019-08-05 18:16:02,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:02,636 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:02,636 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:02,636 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:02,637 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:02" (1/1) ... [2019-08-05 18:16:02,648 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:02,651 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:02,657 INFO L160 IcfgInterpreter]: Initial procedures are [Easy] [2019-08-05 18:16:02,664 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:02,666 INFO L185 IcfgInterpreter]: Interpreting procedure Easy with input of size 1 [2019-08-05 18:16:02,698 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:02,698 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:02,702 INFO L179 IcfgInterpreter]: Location EasyErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= (select Easy_b Easy_k) (select Easy_a Easy_k))) (not (= Easy_k Easy_i)) (= Easy_a (store Easy_b Easy_i Easy_x))) [2019-08-05 18:16:02,703 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:02,710 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:02,713 INFO L168 Benchmark]: Toolchain (without parser) took 350.62 ms. Allocated memory is still 131.1 MB. Free memory was 107.8 MB in the beginning and 92.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:02,714 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:02,715 INFO L168 Benchmark]: Boogie Preprocessor took 36.10 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:02,717 INFO L168 Benchmark]: RCFGBuilder took 237.53 ms. Allocated memory is still 131.1 MB. Free memory was 105.5 MB in the beginning and 96.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:02,718 INFO L168 Benchmark]: Symbolic Interpretation took 74.00 ms. Allocated memory is still 131.1 MB. Free memory was 96.6 MB in the beginning and 92.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:02,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.10 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 237.53 ms. Allocated memory is still 131.1 MB. Free memory was 105.5 MB in the beginning and 96.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 74.00 ms. Allocated memory is still 131.1 MB. Free memory was 96.6 MB in the beginning and 92.8 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...