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/regression/bpl/toolDirectives/Overapproximation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:04:56,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:04:56,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:04:56,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:04:56,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:04:56,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:04:56,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:04:56,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:04:56,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:04:56,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:04:56,679 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:04:56,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:04:56,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:04:56,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:04:56,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:04:56,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:04:56,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:04:56,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:04:56,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:04:56,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:04:56,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:04:56,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:04:56,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:04:56,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:04:56,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:04:56,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:04:56,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:04:56,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:04:56,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:04:56,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:04:56,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:04:56,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:04:56,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:04:56,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:04:56,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:04:56,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:04:56,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:04:56,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:04:56,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:04:56,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:04:56,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:04:56,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:04:56,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:04:56,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:04:56,751 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:04:56,752 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:04:56,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/toolDirectives/Overapproximation.bpl [2019-08-05 12:04:56,753 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/toolDirectives/Overapproximation.bpl' [2019-08-05 12:04:56,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:04:56,784 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:04:56,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:04:56,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:04:56,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:04:56,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (1/1) ... [2019-08-05 12:04:56,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:04:56,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:04:56,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:04:56,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:04:56,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:56" (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 [2019-08-05 12:04:56,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:04:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:04:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:04:57,111 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:04:57,112 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:04:57,114 INFO L202 PluginConnector]: Adding new model Overapproximation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:04:57 BoogieIcfgContainer [2019-08-05 12:04:57,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:04:57,115 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:04:57,116 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:04:57,116 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:04:57,121 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Overapproximation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:04:57" (1/1) ... [2019-08-05 12:04:57,133 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:04:57,136 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:04:57,147 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:04:57,158 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:04:57,159 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:04:57,259 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:04:57,260 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:04:57,263 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (not (= main_x 0)) (= main_z 2) (= main_y 1)) [2019-08-05 12:04:57,271 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:04:57,274 INFO L168 Benchmark]: Toolchain (without parser) took 488.32 ms. Allocated memory is still 131.6 MB. Free memory was 108.1 MB in the beginning and 92.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:57,275 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:04:57,277 INFO L168 Benchmark]: Boogie Preprocessor took 42.31 ms. Allocated memory is still 131.6 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:57,278 INFO L168 Benchmark]: RCFGBuilder took 287.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 97.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:57,279 INFO L168 Benchmark]: Symbolic Interpretation took 155.75 ms. Allocated memory is still 131.6 MB. Free memory was 97.1 MB in the beginning and 92.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:04:57,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 26]: 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 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.31 ms. Allocated memory is still 131.6 MB. Free memory was 107.9 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 97.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 155.75 ms. Allocated memory is still 131.6 MB. Free memory was 97.1 MB in the beginning and 92.6 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...