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/loopAccelerationFastUPR/twoLoops_firstPart.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:57,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:57,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:57,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:57,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:57,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:57,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:57,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:57,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:57,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:57,178 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:57,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:57,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:57,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:57,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:57,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:57,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:57,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:57,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:57,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:57,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:57,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:57,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:57,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:57,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:57,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:57,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:57,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:57,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:57,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:57,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:57,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:57,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:57,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:57,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:57,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:57,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:57,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:57,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:57,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:57,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:57,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:57,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:57,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:57,271 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:57,272 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:57,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationFastUPR/twoLoops_firstPart.bpl [2019-08-06 16:59:57,273 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationFastUPR/twoLoops_firstPart.bpl' [2019-08-06 16:59:57,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:57,307 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:57,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:57,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:57,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:57,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:57,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:57,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:57,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:57,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:57" (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 16:59:57,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:57,678 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:57,678 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:57,680 INFO L202 PluginConnector]: Adding new model twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:57 BoogieIcfgContainer [2019-08-06 16:59:57,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:57,681 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:57,681 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:57,681 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:57,683 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "twoLoops_firstPart.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:57" (1/1) ... [2019-08-06 16:59:57,697 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:57,701 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:57,712 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:57,722 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:57,727 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:57,842 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:57,842 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:57,845 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (< main_x 503) (not (= main_x 501)) (not (< main_x 500))) [2019-08-06 16:59:57,846 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:57,852 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:57,855 INFO L168 Benchmark]: Toolchain (without parser) took 546.68 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 91.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:57,856 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:59:57,857 INFO L168 Benchmark]: Boogie Preprocessor took 49.86 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:57,858 INFO L168 Benchmark]: RCFGBuilder took 322.39 ms. Allocated memory is still 140.0 MB. Free memory was 105.1 MB in the beginning and 96.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:57,859 INFO L168 Benchmark]: Symbolic Interpretation took 171.13 ms. Allocated memory is still 140.0 MB. Free memory was 96.0 MB in the beginning and 91.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:57,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.86 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 322.39 ms. Allocated memory is still 140.0 MB. Free memory was 105.1 MB in the beginning and 96.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 171.13 ms. Allocated memory is still 140.0 MB. Free memory was 96.0 MB in the beginning and 91.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...