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 0.1.24-4ddfff8 [2019-08-09 14:21:04,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:21:04,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:21:04,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:21:04,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:21:04,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:21:04,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:21:04,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:21:04,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:21:04,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:21:04,255 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:21:04,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:21:04,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:21:04,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:21:04,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:21:04,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:21:04,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:21:04,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:21:04,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:21:04,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:21:04,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:21:04,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:21:04,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:21:04,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:21:04,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:21:04,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:21:04,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:21:04,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:21:04,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:21:04,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:21:04,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:21:04,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:21:04,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:21:04,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:21:04,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:21:04,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:21:04,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:21:04,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:21:04,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:21:04,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:21:04,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:21:04,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:21:04,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:21:04,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:21:04,347 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:21:04,347 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:21:04,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationMohr/nestedLoopUnsafe.bpl [2019-08-09 14:21:04,348 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationMohr/nestedLoopUnsafe.bpl' [2019-08-09 14:21:04,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:21:04,379 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:21:04,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:21:04,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:21:04,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:21:04,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:21:04,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:21:04,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:21:04,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:21:04,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:21:04" (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 [2019-08-09 14:21:04,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:21:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:21:04,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:21:04,664 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:21:04,664 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:21:04,666 INFO L202 PluginConnector]: Adding new model nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:21:04 BoogieIcfgContainer [2019-08-09 14:21:04,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:21:04,667 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:21:04,667 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:21:04,667 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:21:04,669 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nestedLoopUnsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:21:04" (1/1) ... [2019-08-09 14:21:04,828 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:21:04,837 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:21:04,840 INFO L168 Benchmark]: Toolchain (without parser) took 459.72 ms. Allocated memory is still 139.5 MB. Free memory was 108.1 MB in the beginning and 90.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:04,842 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:21:04,843 INFO L168 Benchmark]: Boogie Preprocessor took 44.44 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:04,844 INFO L168 Benchmark]: RCFGBuilder took 241.44 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:04,845 INFO L168 Benchmark]: Symbolic Interpretation took 170.54 ms. Allocated memory is still 139.5 MB. Free memory was 96.5 MB in the beginning and 90.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:21:04,849 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. Predicate is 46#(or (and (not (< main_y 10)) (not (< main_x 100))) (and (= main_x 0) (not (< main_x 100)) (= main_y 0))). 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 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.44 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 241.44 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 96.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 170.54 ms. Allocated memory is still 139.5 MB. Free memory was 96.5 MB in the beginning and 90.8 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...