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-b03553c [2019-08-05 18:12:09,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:09,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:09,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:09,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:09,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:09,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:09,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:09,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:09,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:09,372 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:09,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:09,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:09,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:09,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:09,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:09,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:09,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:09,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:09,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:09,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:09,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:09,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:09,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:09,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:09,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:09,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:09,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:09,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:09,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:09,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:09,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:09,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:09,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:09,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:09,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:09,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:09,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:09,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:09,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:09,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:09,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:09,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:09,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:09,442 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:09,443 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:09,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl [2019-08-05 18:12:09,444 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl' [2019-08-05 18:12:09,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:09,475 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:09,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:09,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:09,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:09,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:09,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:09,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:09,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:09,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:09" (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 18:12:09,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2019-08-05 18:12:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure power [2019-08-05 18:12:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2019-08-05 18:12:09,662 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:12:09,795 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:09,796 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:09,797 INFO L202 PluginConnector]: Adding new model Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:09 BoogieIcfgContainer [2019-08-05 18:12:09,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:09,797 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:09,797 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:09,798 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:09,799 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:09" (1/1) ... [2019-08-05 18:12:09,811 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:09,820 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:09,828 INFO L160 IcfgInterpreter]: Initial procedures are [power] [2019-08-05 18:12:09,836 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:09,838 INFO L185 IcfgInterpreter]: Interpreting procedure power with input of size 1 [2019-08-05 18:12:09,919 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:09,919 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:09,922 INFO L179 IcfgInterpreter]: Location powerErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 23#(and (< 0 (+ power_tmp 1)) (not (<= 0 power_res)) (not (< 0 power_tmp)) (exists ((v_power_res_10 Int)) (= power_res (* v_power_res_10 power_a)))) [2019-08-05 18:12:09,923 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:09,928 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:09,931 INFO L168 Benchmark]: Toolchain (without parser) took 454.51 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 91.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:09,932 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:09,933 INFO L168 Benchmark]: Boogie Preprocessor took 46.24 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:09,935 INFO L168 Benchmark]: RCFGBuilder took 274.09 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 96.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:09,936 INFO L168 Benchmark]: Symbolic Interpretation took 130.75 ms. Allocated memory is still 133.2 MB. Free memory was 96.7 MB in the beginning and 91.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:09,940 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.24 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.09 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 96.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 130.75 ms. Allocated memory is still 133.2 MB. Free memory was 96.7 MB in the beginning and 91.6 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...