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/04_basic_unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:51,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:51,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:51,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:51,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:51,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:51,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:51,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:51,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:51,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:51,036 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:51,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:51,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:51,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:51,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:51,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:51,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:51,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:51,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:51,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:51,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:51,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:51,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:51,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:51,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:51,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:51,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:51,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:51,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:51,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:51,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:51,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:51,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:51,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:51,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:51,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:51,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:51,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:51,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:51,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:51,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:51,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:51,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:51,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:51,108 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:51,108 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:51,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/04_basic_unsafe.bpl [2019-08-09 14:19:51,110 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/04_basic_unsafe.bpl' [2019-08-09 14:19:51,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:51,144 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:51,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:51,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:51,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:51,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:51,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:51,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:51,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:51,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:51" (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 14:19:51,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-09 14:19:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-09 14:19:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-09 14:19:51,434 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:51,434 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:51,436 INFO L202 PluginConnector]: Adding new model 04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:51 BoogieIcfgContainer [2019-08-09 14:19:51,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:51,437 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:51,437 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:51,438 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:51,439 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "04_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:51" (1/1) ... [2019-08-09 14:19:51,683 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:51,692 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:51,694 INFO L168 Benchmark]: Toolchain (without parser) took 549.96 ms. Allocated memory is still 135.8 MB. Free memory was 104.4 MB in the beginning and 83.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:51,696 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:51,697 INFO L168 Benchmark]: Boogie Preprocessor took 43.66 ms. Allocated memory is still 135.8 MB. Free memory was 104.2 MB in the beginning and 102.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:51,698 INFO L168 Benchmark]: RCFGBuilder took 248.17 ms. Allocated memory is still 135.8 MB. Free memory was 102.0 MB in the beginning and 92.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:51,699 INFO L168 Benchmark]: Symbolic Interpretation took 254.65 ms. Allocated memory is still 135.8 MB. Free memory was 92.8 MB in the beginning and 83.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:51,704 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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 14#(and (= (select Easy_b Easy_y) Easy_k) (= (select Easy_a Easy_z) Easy_i) (not (= Easy_k Easy_i)) (= (select Easy_b Easy_y) Easy_j)). 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 11#(and (= (select Easy_b Easy_y) Easy_k) (= (select Easy_a Easy_z) Easy_i) (= (select Easy_b Easy_y) Easy_j) (= Easy_k Easy_i) (not (= Easy_z Easy_y))). Possible FailurePath: - UnprovableResult [Line: 19]: 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 8#(and (= (select Easy_b Easy_y) Easy_k) (= (select Easy_a Easy_z) Easy_i) (= (select Easy_b Easy_y) Easy_j) (= Easy_z Easy_y) (= Easy_k Easy_i)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.66 ms. Allocated memory is still 135.8 MB. Free memory was 104.2 MB in the beginning and 102.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.17 ms. Allocated memory is still 135.8 MB. Free memory was 102.0 MB in the beginning and 92.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 254.65 ms. Allocated memory is still 135.8 MB. Free memory was 92.8 MB in the beginning and 83.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...