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 0.1.24-4ddfff8 [2019-08-09 14:19:45,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:45,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:45,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:45,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:45,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:45,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:45,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:45,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:45,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:45,921 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:45,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:45,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:45,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:45,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:45,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:45,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:45,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:45,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:45,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:45,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:45,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:45,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:45,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:45,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:45,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:45,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:45,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:45,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:45,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:45,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:45,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:45,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:45,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:45,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:45,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:45,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:45,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:45,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:45,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:45,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:45,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:45,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:46,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:46,005 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:46,006 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:46,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/31_weak_eq_propagation.bpl [2019-08-09 14:19:46,007 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/31_weak_eq_propagation.bpl' [2019-08-09 14:19:46,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:46,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:46,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:46,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:46,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:46,070 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,071 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,080 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,080 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,083 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,084 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,085 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:46,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:46,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:46,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:46,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:46" (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 14:19:46,158 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-09 14:19:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-09 14:19:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-09 14:19:46,319 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:46,319 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:46,322 INFO L202 PluginConnector]: Adding new model 31_weak_eq_propagation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:46 BoogieIcfgContainer [2019-08-09 14:19:46,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:46,322 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:46,323 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:46,323 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:46,324 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 09.08 02:19:46" (1/1) ... [2019-08-09 14:19:46,415 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:46,423 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:46,426 INFO L168 Benchmark]: Toolchain (without parser) took 380.54 ms. Allocated memory is still 133.7 MB. Free memory was 110.4 MB in the beginning and 96.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:46,427 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:46,429 INFO L168 Benchmark]: Boogie Preprocessor took 42.26 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:46,430 INFO L168 Benchmark]: RCFGBuilder took 234.61 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 99.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:46,432 INFO L168 Benchmark]: Symbolic Interpretation took 100.43 ms. Allocated memory is still 133.7 MB. Free memory was 99.7 MB in the beginning and 96.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:46,438 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. Predicate is 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))). 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 133.7 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.26 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 108.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.61 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 99.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 100.43 ms. Allocated memory is still 133.7 MB. Free memory was 99.7 MB in the beginning and 96.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...