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/UnsatCoreUseful01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:18,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:18,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:18,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:18,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:18,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:18,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:18,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:18,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:18,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:18,597 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:18,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:18,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:18,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:18,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:18,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:18,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:18,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:18,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:18,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:18,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:18,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:18,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:18,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:18,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:18,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:18,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:18,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:18,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:18,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:18,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:18,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:18,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:18,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:18,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:18,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:18,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:18,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:18,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:18,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:18,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:18,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:18,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:18,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:18,676 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:18,677 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:18,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UnsatCoreUseful01.bpl [2019-08-06 16:55:18,678 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UnsatCoreUseful01.bpl' [2019-08-06 16:55:18,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:18,715 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:18,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:18,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:18,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:18,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (1/1) ... [2019-08-06 16:55:18,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:18,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:18,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:18,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:18,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:18" (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 16:55:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-06 16:55:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-06 16:55:18,916 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:55:19,134 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:19,134 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:19,135 INFO L202 PluginConnector]: Adding new model UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:19 BoogieIcfgContainer [2019-08-06 16:55:19,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:19,136 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:19,136 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:19,136 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:19,138 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:19" (1/1) ... [2019-08-06 16:55:19,149 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:55:19,155 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:19,168 INFO L160 IcfgInterpreter]: Initial procedures are [Main] [2019-08-06 16:55:19,175 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:19,177 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-06 16:55:19,259 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:19,259 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:19,263 INFO L179 IcfgInterpreter]: Location MainErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (not (< Main_x Main_z)) (not (= Main_y 0)) (< Main_x (+ Main_z 1))) [2019-08-06 16:55:19,263 INFO L179 IcfgInterpreter]: Location MainErr1ASSERT_VIOLATIONASSERT has predicate 24#(and (not (< Main_x Main_z)) (= Main_y 0) (not (<= 0 Main_x)) (< Main_x (+ Main_z 1))) [2019-08-06 16:55:19,264 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:19,272 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:19,275 INFO L168 Benchmark]: Toolchain (without parser) took 559.79 ms. Allocated memory is still 137.4 MB. Free memory was 104.4 MB in the beginning and 87.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:19,276 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:19,277 INFO L168 Benchmark]: Boogie Preprocessor took 50.18 ms. Allocated memory is still 137.4 MB. Free memory was 104.4 MB in the beginning and 102.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:19,279 INFO L168 Benchmark]: RCFGBuilder took 368.80 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:19,280 INFO L168 Benchmark]: Symbolic Interpretation took 136.66 ms. Allocated memory is still 137.4 MB. Free memory was 92.6 MB in the beginning and 87.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:19,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 31]: 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: - UnprovableResult [Line: 32]: 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 0.21 ms. Allocated memory is still 137.4 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.18 ms. Allocated memory is still 137.4 MB. Free memory was 104.4 MB in the beginning and 102.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 368.80 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 136.66 ms. Allocated memory is still 137.4 MB. Free memory was 92.6 MB in the beginning and 87.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...