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/NonlinearInvariant1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:13,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:13,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:13,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:13,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:13,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:13,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:13,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:13,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:13,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:13,471 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:13,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:13,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:13,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:13,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:13,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:13,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:13,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:13,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:13,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:13,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:13,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:13,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:13,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:13,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:13,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:13,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:13,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:13,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:13,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:13,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:13,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:13,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:13,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:13,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:13,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:13,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:13,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:13,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:13,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:13,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:13,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:13,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:13,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:13,557 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:13,558 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:13,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl [2019-08-06 16:54:13,560 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl' [2019-08-06 16:54:13,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:13,600 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:13,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:13,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:13,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:13,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (1/1) ... [2019-08-06 16:54:13,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:13,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:13,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:13,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:13,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:13" (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 16:54:13,714 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:54:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:54:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:54:13,774 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:54:14,034 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:14,034 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:54:14,036 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:14 BoogieIcfgContainer [2019-08-06 16:54:14,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:14,037 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:14,037 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:14,037 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:14,038 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:14" (1/1) ... [2019-08-06 16:54:14,054 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:14,060 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:14,080 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:54:14,104 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:14,112 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:54:14,237 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:14,237 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:14,242 INFO L179 IcfgInterpreter]: Location mainErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 23#(and (or (<= 1 main_tmp1) (< (+ main_tmp1 1) 0)) (or (< (+ main_tmp2 1) 0) (<= 1 main_tmp2)) (not (> (* main_out1 main_out2) 0)) (= main_out2 main_tmp2) (= main_out1 main_tmp1)) [2019-08-06 16:54:14,243 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:14,250 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:14,253 INFO L168 Benchmark]: Toolchain (without parser) took 652.32 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 89.7 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:14,254 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:54:14,256 INFO L168 Benchmark]: Boogie Preprocessor took 49.60 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:14,257 INFO L168 Benchmark]: RCFGBuilder took 385.13 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 95.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:14,258 INFO L168 Benchmark]: Symbolic Interpretation took 213.80 ms. Allocated memory is still 140.0 MB. Free memory was 94.7 MB in the beginning and 89.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:14,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 is still 109.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.60 ms. Allocated memory is still 140.0 MB. Free memory was 108.4 MB in the beginning and 106.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 385.13 ms. Allocated memory is still 140.0 MB. Free memory was 106.3 MB in the beginning and 95.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 213.80 ms. Allocated memory is still 140.0 MB. Free memory was 94.7 MB in the beginning and 89.7 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...