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/toy/InvariantSynthesis/Drawbacks_UnsatCores.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:51,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:51,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:51,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:51,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:51,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:51,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:51,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:51,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:51,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:51,325 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:51,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:51,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:51,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:51,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:51,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:51,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:51,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:51,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:51,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:51,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:51,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:51,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:51,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:51,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:51,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:51,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:51,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:51,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:51,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:51,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:51,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:51,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:51,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:51,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:51,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:51,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:51,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:51,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:51,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:51,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:51,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:51,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:51,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:51,442 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:51,443 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:51,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/Drawbacks_UnsatCores.bpl [2019-08-06 16:55:51,445 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/Drawbacks_UnsatCores.bpl' [2019-08-06 16:55:51,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:51,480 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:51,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:51,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:51,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:51,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:51,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:51,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:51,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:51,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:51" (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 [2019-08-06 16:55:51,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:51,888 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:51,888 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-06 16:55:51,889 INFO L202 PluginConnector]: Adding new model Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:51 BoogieIcfgContainer [2019-08-06 16:55:51,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:51,890 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:51,890 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:51,890 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:51,891 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Drawbacks_UnsatCores.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:51" (1/1) ... [2019-08-06 16:55:51,902 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:51,905 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:51,911 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:51,921 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:51,923 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:52,005 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:52,005 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:52,008 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 18#(and (= z y) (= x 42) (= c b) (= b 0) (or (not (<= c 0)) (not (<= z 42))) (= y x)) [2019-08-06 16:55:52,009 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:52,016 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:52,018 INFO L168 Benchmark]: Toolchain (without parser) took 537.46 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 93.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:52,019 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 134.7 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:52,021 INFO L168 Benchmark]: Boogie Preprocessor took 47.31 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 107.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:52,022 INFO L168 Benchmark]: RCFGBuilder took 361.08 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 97.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:52,023 INFO L168 Benchmark]: Symbolic Interpretation took 126.10 ms. Allocated memory is still 134.7 MB. Free memory was 97.9 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:52,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 0.26 ms. Allocated memory is still 134.7 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.31 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 107.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 361.08 ms. Allocated memory is still 134.7 MB. Free memory was 107.7 MB in the beginning and 97.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 126.10 ms. Allocated memory is still 134.7 MB. Free memory was 97.9 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...