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/loopAcceleration/overapproximation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:52,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:52,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:52,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:52,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:52,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:52,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:52,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:52,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:52,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:52,689 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:52,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:52,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:52,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:52,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:52,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:52,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:52,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:52,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:52,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:52,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:52,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:52,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:52,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:52,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:52,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:52,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:52,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:52,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:52,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:52,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:52,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:52,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:52,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:52,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:52,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:52,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:52,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:52,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:52,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:52,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:52,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:52,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:52,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:52,782 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:52,782 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:52,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/overapproximation.bpl [2019-08-06 16:59:52,783 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/overapproximation.bpl' [2019-08-06 16:59:52,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:52,810 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:52,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:52,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:52,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:52,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (1/1) ... [2019-08-06 16:59:52,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:52,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:52,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:52,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:52,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:52" (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 16:59:52,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:52,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:52,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:53,195 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:53,195 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:53,196 INFO L202 PluginConnector]: Adding new model overapproximation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:53 BoogieIcfgContainer [2019-08-06 16:59:53,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:53,197 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:53,197 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:53,197 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:53,198 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "overapproximation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,210 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:53,213 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:53,220 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:53,228 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:53,230 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:53,302 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:53,302 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:53,305 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= main_x 1001)) (exists ((v_main_x_18 Int)) (and (< v_main_x_18 1000) (or (and (= main_x (+ v_main_x_18 3)) (< v_main_x_18 500)) (and (= (+ v_main_x_18 2) main_x) (not (< v_main_x_18 500)))))) (not (< main_x 1000))) [2019-08-06 16:59:53,306 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:53,313 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:53,316 INFO L168 Benchmark]: Toolchain (without parser) took 504.71 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 90.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,317 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,319 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,320 INFO L168 Benchmark]: RCFGBuilder took 341.30 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 95.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,321 INFO L168 Benchmark]: Symbolic Interpretation took 116.71 ms. Allocated memory is still 140.5 MB. Free memory was 95.5 MB in the beginning and 90.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,325 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.30 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 95.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 116.71 ms. Allocated memory is still 140.5 MB. Free memory was 95.5 MB in the beginning and 90.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...