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 0.1.24-3b9210c [2019-08-06 16:54:17,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:17,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:17,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:17,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:17,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:17,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:17,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:17,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:17,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:17,884 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:17,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:17,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:17,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:17,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:17,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:17,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:17,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:17,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:17,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:17,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:17,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:17,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:17,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:17,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:17,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:17,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:17,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:17,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:17,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:17,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:17,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:17,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:17,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:17,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:17,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:17,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:17,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:17,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:17,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:17,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:17,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:17,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:17,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:17,989 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:17,990 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:17,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl [2019-08-06 16:54:17,991 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Power1-Safe.bpl' [2019-08-06 16:54:18,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:18,030 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:18,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:18,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:18,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:18,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:18,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:18,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:18,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:18,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:18" (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 16:54:18,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure power given in one single declaration [2019-08-06 16:54:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure power [2019-08-06 16:54:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure power [2019-08-06 16:54:18,219 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:54:18,323 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:18,324 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:18,325 INFO L202 PluginConnector]: Adding new model Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:18 BoogieIcfgContainer [2019-08-06 16:54:18,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:18,325 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:18,326 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:18,326 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:18,327 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Power1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:18" (1/1) ... [2019-08-06 16:54:18,337 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:18,340 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:18,346 INFO L160 IcfgInterpreter]: Initial procedures are [power] [2019-08-06 16:54:18,355 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:18,356 INFO L185 IcfgInterpreter]: Interpreting procedure power with input of size 1 [2019-08-06 16:54:18,447 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:18,447 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:18,450 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)))) [2019-08-06 16:54:18,452 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:18,459 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:18,462 INFO L168 Benchmark]: Toolchain (without parser) took 430.84 ms. Allocated memory is still 140.0 MB. Free memory was 108.5 MB in the beginning and 91.6 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:18,463 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:18,465 INFO L168 Benchmark]: Boogie Preprocessor took 49.59 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:18,466 INFO L168 Benchmark]: RCFGBuilder took 244.30 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 96.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:18,467 INFO L168 Benchmark]: Symbolic Interpretation took 133.66 ms. Allocated memory is still 140.0 MB. Free memory was 96.8 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. [2019-08-06 16:54:18,471 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.59 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 244.30 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 96.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 133.66 ms. Allocated memory is still 140.0 MB. Free memory was 96.8 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...