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/twoLoops.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:50,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:50,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:50,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:50,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:50,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:50,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:50,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:50,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:50,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:50,741 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:50,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:50,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:50,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:50,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:50,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:50,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:50,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:50,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:50,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:50,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:50,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:50,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:50,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:50,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:50,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:50,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:50,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:50,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:50,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:50,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:50,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:50,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:50,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:50,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:50,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:50,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:50,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:50,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:50,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:50,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:50,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:50,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:50,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:50,860 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:50,861 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:50,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/twoLoops.bpl [2019-08-06 16:59:50,862 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/twoLoops.bpl' [2019-08-06 16:59:50,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:50,897 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:50,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:50,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:50,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:50,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (1/1) ... [2019-08-06 16:59:50,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:50,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:50,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:50,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:50,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:50" (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 16:59:51,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:51,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:51,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:51,190 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:51,190 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:51,192 INFO L202 PluginConnector]: Adding new model twoLoops.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:51 BoogieIcfgContainer [2019-08-06 16:59:51,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:51,192 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:51,193 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:51,193 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:51,194 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoops.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:51" (1/1) ... [2019-08-06 16:59:51,205 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:59:51,208 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:51,214 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:51,223 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:51,224 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:51,338 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:51,338 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:51,341 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 41#(and (not (= main_x 1001)) (< main_x 1002) (not (< main_x 1000))) [2019-08-06 16:59:51,342 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 44#(and (< main_x 503) (not (= main_x 501)) (not (< main_x 500))) [2019-08-06 16:59:51,343 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:51,350 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:51,353 INFO L168 Benchmark]: Toolchain (without parser) took 455.28 ms. Allocated memory is still 140.0 MB. Free memory was 108.6 MB in the beginning and 91.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,354 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,356 INFO L168 Benchmark]: Boogie Preprocessor took 49.17 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,357 INFO L168 Benchmark]: RCFGBuilder took 245.06 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 96.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,358 INFO L168 Benchmark]: Symbolic Interpretation took 157.78 ms. Allocated memory is still 140.0 MB. Free memory was 96.9 MB in the beginning and 91.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:51,362 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.. Possible FailurePath: - UnprovableResult [Line: 15]: 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 140.0 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.17 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.06 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 96.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 157.78 ms. Allocated memory is still 140.0 MB. Free memory was 96.9 MB in the beginning and 91.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...