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/toy/nonlinear/Power1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:30,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:30,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:30,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:30,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:30,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:30,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:30,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:30,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:30,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:30,364 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:30,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:30,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:30,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:30,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:30,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:30,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:30,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:30,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:30,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:30,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:30,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:30,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:30,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:30,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:30,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:30,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:30,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:30,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:30,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:30,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:30,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:30,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:30,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:30,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:30,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:30,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:30,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:30,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:30,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:30,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:30,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:30,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:30,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:30,442 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:30,443 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:30,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl [2019-08-09 14:13:30,444 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl' [2019-08-09 14:13:30,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:30,475 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:30,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:30,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:30,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:30,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:30,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:30,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:30,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:30,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:30" (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 14:13:30,584 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2019-08-09 14:13:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure power [2019-08-09 14:13:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2019-08-09 14:13:30,649 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:13:30,745 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:30,746 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:13:30,747 INFO L202 PluginConnector]: Adding new model Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:30 BoogieIcfgContainer [2019-08-09 14:13:30,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:30,748 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:30,748 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:30,748 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:30,750 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:30" (1/1) ... [2019-08-09 14:13:30,865 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:30,872 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:30,875 INFO L168 Benchmark]: Toolchain (without parser) took 399.40 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 92.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:30,876 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:13:30,878 INFO L168 Benchmark]: Boogie Preprocessor took 41.19 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:30,879 INFO L168 Benchmark]: RCFGBuilder took 230.52 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:30,880 INFO L168 Benchmark]: Symbolic Interpretation took 124.55 ms. Allocated memory is still 141.0 MB. Free memory was 97.6 MB in the beginning and 92.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:30,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 23#(and (not (<= 0 power_res)) (not (< 0 power_tmp))). 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 141.0 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.19 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.52 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 97.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 124.55 ms. Allocated memory is still 141.0 MB. Free memory was 97.6 MB in the beginning and 92.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...