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/44b_join_strong_and_weak_equivalence.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:59,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:59,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:59,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:59,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:59,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:59,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:59,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:59,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:59,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:59,656 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:59,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:59,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:59,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:59,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:59,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:59,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:59,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:59,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:59,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:59,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:59,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:59,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:59,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:59,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:59,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:59,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:59,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:59,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:59,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:59,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:59,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:59,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:59,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:59,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:59,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:59,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:59,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:59,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:59,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:59,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:59,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:59,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:59,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:59,732 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:59,733 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:59,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/44b_join_strong_and_weak_equivalence.bpl [2019-08-06 16:58:59,734 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/44b_join_strong_and_weak_equivalence.bpl' [2019-08-06 16:58:59,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:59,770 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:59,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:59,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:59,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:59,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (1/1) ... [2019-08-06 16:58:59,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:59,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:59,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:59,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:59,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:59" (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 16:58:59,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:58:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:00,205 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:00,206 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:00,207 INFO L202 PluginConnector]: Adding new model 44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:00 BoogieIcfgContainer [2019-08-06 16:59:00,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:00,208 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:00,208 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:00,208 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:00,211 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "44b_join_strong_and_weak_equivalence.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:00" (1/1) ... [2019-08-06 16:59:00,226 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:00,232 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:00,244 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:00,253 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:00,255 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:00,325 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:00,325 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:00,329 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= (select main_b main_j) (select main_a main_j))) (not (= (select main_c main_j) 3)) (or (and (= (select main_c main_i) 3) (= main_a (store main_b main_i main_x))) (= main_b main_a))) [2019-08-06 16:59:00,339 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:00,351 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:00,355 INFO L168 Benchmark]: Toolchain (without parser) took 583.17 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 91.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:00,357 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:00,358 INFO L168 Benchmark]: Boogie Preprocessor took 46.24 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:00,360 INFO L168 Benchmark]: RCFGBuilder took 389.41 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:00,363 INFO L168 Benchmark]: Symbolic Interpretation took 143.63 ms. Allocated memory is still 139.5 MB. Free memory was 95.8 MB in the beginning and 91.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:00,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 139.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.24 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.41 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 95.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 143.63 ms. Allocated memory is still 139.5 MB. Free memory was 95.8 MB in the beginning and 91.4 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...