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 0.1.24-3b9210c [2019-08-06 16:58:48,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:48,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:48,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:48,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:48,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:48,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:48,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:48,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:48,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:48,523 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:48,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:48,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:48,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:48,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:48,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:48,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:48,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:48,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:48,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:48,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:48,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:48,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:48,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:48,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:48,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:48,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:48,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:48,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:48,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:48,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:48,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:48,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:48,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:48,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:48,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:48,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:48,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:48,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:48,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:48,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:48,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:48,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:48,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:48,621 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:48,622 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:48,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/31_weak_eq_propagation.bpl [2019-08-06 16:58:48,623 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/31_weak_eq_propagation.bpl' [2019-08-06 16:58:48,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:48,654 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:48,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:48,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:48,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:48,679 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,681 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,689 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,690 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,692 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,694 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,694 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:48,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:48,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:48,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:48,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:48,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:48" (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 16:58:48,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-06 16:58:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-06 16:58:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-06 16:58:48,995 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:48,995 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:48,996 INFO L202 PluginConnector]: Adding new model 31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:48 BoogieIcfgContainer [2019-08-06 16:58:48,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:48,997 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:48,997 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:48,998 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:48,998 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 06.08 04:58:48" (1/1) ... [2019-08-06 16:58:49,008 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:49,010 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:49,017 INFO L160 IcfgInterpreter]: Initial procedures are [Easy] [2019-08-06 16:58:49,025 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:49,026 INFO L185 IcfgInterpreter]: Interpreting procedure Easy with input of size 1 [2019-08-06 16:58:49,061 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:49,061 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:49,064 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))) [2019-08-06 16:58:49,065 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:49,073 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:49,076 INFO L168 Benchmark]: Toolchain (without parser) took 420.78 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 93.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:49,077 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:49,078 INFO L168 Benchmark]: Boogie Preprocessor took 41.59 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:49,080 INFO L168 Benchmark]: RCFGBuilder took 300.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:49,081 INFO L168 Benchmark]: Symbolic Interpretation took 75.85 ms. Allocated memory is still 132.1 MB. Free memory was 97.6 MB in the beginning and 93.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:49,085 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 0.22 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.59 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 75.85 ms. Allocated memory is still 132.1 MB. Free memory was 97.6 MB in the beginning and 93.8 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...