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/05_a_basic_safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:48,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:48,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:48,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:48,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:48,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:48,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:48,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:48,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:48,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:48,131 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:48,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:48,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:48,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:48,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:48,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:48,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:48,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:48,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:48,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:48,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:48,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:48,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:48,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:48,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:48,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:48,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:48,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:48,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:48,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:48,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:48,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:48,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:48,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:48,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:48,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:48,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:48,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:48,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:48,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:48,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:48,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:48,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:48,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:48,204 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:48,204 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:48,205 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/05_a_basic_safe.bpl [2019-08-09 14:19:48,205 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/05_a_basic_safe.bpl' [2019-08-09 14:19:48,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:48,237 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:48,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:48,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:48,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:48,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:48,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:48,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:48,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:48,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:48" (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 [2019-08-09 14:19:48,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-09 14:19:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-09 14:19:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-09 14:19:48,484 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:48,484 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:48,486 INFO L202 PluginConnector]: Adding new model 05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:48 BoogieIcfgContainer [2019-08-09 14:19:48,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:48,486 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:48,487 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:48,487 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:48,488 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "05_a_basic_safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:48" (1/1) ... [2019-08-09 14:19:48,805 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:48,813 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:48,815 INFO L168 Benchmark]: Toolchain (without parser) took 577.48 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 86.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:48,816 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2019-08-09 14:19:48,817 INFO L168 Benchmark]: Boogie Preprocessor took 42.09 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:48,818 INFO L168 Benchmark]: RCFGBuilder took 205.43 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:48,819 INFO L168 Benchmark]: Symbolic Interpretation took 326.35 ms. Allocated memory is still 139.5 MB. Free memory was 96.6 MB in the beginning and 86.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:48,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 6#(and (not (= (select Easy_a Easy_x) Easy_i)) (= (select Easy_b Easy_y) Easy_k) (= (select Easy_a Easy_z) Easy_i) (or (not (= (select Easy_b Easy_y) Easy_k)) (= (select Easy_a Easy_x) Easy_i))). 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 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 42.09 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 205.43 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 326.35 ms. Allocated memory is still 139.5 MB. Free memory was 96.6 MB in the beginning and 86.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...