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/loopAccelerationMohr/nestedLoopUnsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:17:16,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:17:16,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:17:16,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:17:16,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:17:16,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:17:16,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:17:16,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:17:16,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:17:16,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:17:16,158 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:17:16,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:17:16,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:17:16,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:17:16,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:17:16,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:17:16,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:17:16,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:17:16,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:17:16,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:17:16,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:17:16,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:17:16,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:17:16,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:17:16,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:17:16,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:17:16,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:17:16,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:17:16,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:17:16,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:17:16,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:17:16,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:17:16,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:17:16,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:17:16,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:17:16,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:17:16,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:17:16,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:17:16,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:17:16,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:17:16,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:17:16,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:17:16,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:17:16,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:17:16,257 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:17:16,258 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:17:16,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationMohr/nestedLoopUnsafe.bpl [2019-08-05 18:17:16,260 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationMohr/nestedLoopUnsafe.bpl' [2019-08-05 18:17:16,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:17:16,297 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:17:16,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:17:16,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:17:16,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:17:16,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:17:16,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:17:16,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:17:16,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:17:16,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:17:16" (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 18:17:16,429 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:17:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:17:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:17:16,694 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:17:16,695 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:17:16,696 INFO L202 PluginConnector]: Adding new model nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:16 BoogieIcfgContainer [2019-08-05 18:17:16,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:17:16,697 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:17:16,697 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:17:16,698 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:17:16,699 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:17:16" (1/1) ... [2019-08-05 18:17:16,711 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:17:16,715 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:17:16,722 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:17:16,732 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:17:16,734 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:17:16,865 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:17:16,865 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:17:16,869 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 47#(or (and (not (< main_y 10)) (or (and (exists ((v_main_y_11 Int)) (not (< v_main_y_11 10))) (= main_y 0) (< main_x 101)) (< main_y 11)) (not (< main_x 100))) (and (= main_x 0) (not (< main_x 100)) (= main_y 0))) [2019-08-05 18:17:16,870 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:17:16,877 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:17:16,880 INFO L168 Benchmark]: Toolchain (without parser) took 582.04 ms. Allocated memory is still 130.0 MB. Free memory was 106.7 MB in the beginning and 89.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:16,882 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.29 ms. Allocated memory is still 130.0 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:17:16,883 INFO L168 Benchmark]: Boogie Preprocessor took 55.44 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 104.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:16,884 INFO L168 Benchmark]: RCFGBuilder took 342.69 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 95.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:16,886 INFO L168 Benchmark]: Symbolic Interpretation took 180.30 ms. Allocated memory is still 130.0 MB. Free memory was 95.2 MB in the beginning and 89.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:17:16,891 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 17]: 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 0.29 ms. Allocated memory is still 130.0 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.44 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 104.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.69 ms. Allocated memory is still 130.0 MB. Free memory was 104.3 MB in the beginning and 95.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 180.30 ms. Allocated memory is still 130.0 MB. Free memory was 95.2 MB in the beginning and 89.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...