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/loopAccelerationWerner/nestedLoopWithAssertion.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:59:53,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:53,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:53,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:53,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:53,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:53,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:53,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:53,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:53,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:53,174 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:53,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:53,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:53,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:53,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:53,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:53,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:53,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:53,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:53,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:53,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:53,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:53,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:53,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:53,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:53,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:53,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:53,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:53,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:53,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:53,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:53,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:53,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:53,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:53,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:53,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:53,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:53,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:53,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:53,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:53,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:53,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:53,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:53,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:53,254 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:53,255 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:53,255 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoopWithAssertion.bpl [2019-08-06 16:59:53,256 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/nestedLoopWithAssertion.bpl' [2019-08-06 16:59:53,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:53,289 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:53,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:53,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:53,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:53,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:53,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:53,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:53,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:53,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:53" (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 16:59:53,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:59:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:59:53,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:59:53,598 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:53,599 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:53,600 INFO L202 PluginConnector]: Adding new model nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:53 BoogieIcfgContainer [2019-08-06 16:59:53,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:53,601 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:53,601 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:53,601 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:53,602 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoopWithAssertion.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:53" (1/1) ... [2019-08-06 16:59:53,614 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-06 16:59:53,617 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:53,624 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:59:53,636 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:53,637 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:59:53,806 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:53,807 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:53,811 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 63#(and (or (and (not (< main_y 10000)) (< main_x 5001)) (< main_y 10001)) (not (< main_x 5000)) (not (< main_y 10000))) [2019-08-06 16:59:53,812 INFO L179 IcfgInterpreter]: Location mainErr2ASSERT_VIOLATIONASSERT has predicate 57#(and (= main_x 0) (not (= main_y 10000)) (not (< main_x 5000)) (= main_x 5000) (= main_y 0)) [2019-08-06 16:59:53,816 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 60#(and (= main_x 0) (not (= main_x 5000)) (not (< main_x 5000)) (= main_y 0)) [2019-08-06 16:59:53,818 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:53,826 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:53,830 INFO L168 Benchmark]: Toolchain (without parser) took 539.75 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 87.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,832 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,835 INFO L168 Benchmark]: Boogie Preprocessor took 41.53 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 103.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,836 INFO L168 Benchmark]: RCFGBuilder took 269.38 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,838 INFO L168 Benchmark]: Symbolic Interpretation took 225.61 ms. Allocated memory is still 138.4 MB. Free memory was 93.8 MB in the beginning and 87.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:53,843 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: 22]: 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: 21]: 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 138.4 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.53 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 103.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 269.38 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 225.61 ms. Allocated memory is still 138.4 MB. Free memory was 93.8 MB in the beginning and 87.6 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...