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/tooDifficultLoopInvariant/MonadicInvariant01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:43,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:43,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:43,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:43,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:43,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:43,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:43,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:43,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:43,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:43,578 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:43,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:43,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:43,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:43,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:43,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:43,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:43,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:43,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:43,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:43,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:43,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:43,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:43,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:43,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:43,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:43,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:43,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:43,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:43,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:43,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:43,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:43,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:43,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:43,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:43,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:43,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:43,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:43,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:43,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:43,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:43,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:43,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:43,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:43,648 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:43,648 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:43,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/MonadicInvariant01.bpl [2019-08-04 21:58:43,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/MonadicInvariant01.bpl' [2019-08-04 21:58:43,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:43,677 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:43,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:43,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:43,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:43,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (1/1) ... [2019-08-04 21:58:43,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:43,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:43,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:43,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:43,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:43" (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 [2019-08-04 21:58:43,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:43,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:44,036 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:44,037 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:58:44,038 INFO L202 PluginConnector]: Adding new model MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:44 BoogieIcfgContainer [2019-08-04 21:58:44,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:44,039 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:44,039 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:44,039 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:44,041 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "MonadicInvariant01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:44" (1/1) ... [2019-08-04 21:58:44,052 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:44,055 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:44,062 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:44,070 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:44,072 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:44,257 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 7 [2019-08-04 21:58:44,479 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2019-08-04 21:58:44,717 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-08-04 21:58:44,843 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 6 [2019-08-04 21:58:44,875 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:44,875 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:44,878 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 26#(and (not (<= (+ main_offset 4) main_length)) (= main_length 40000) (< main_offset main_length)) [2019-08-04 21:58:44,886 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:44,889 INFO L168 Benchmark]: Toolchain (without parser) took 1210.97 ms. Allocated memory is still 141.6 MB. Free memory was 111.3 MB in the beginning and 79.0 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:44,890 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:44,891 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:44,892 INFO L168 Benchmark]: RCFGBuilder took 316.22 ms. Allocated memory is still 141.6 MB. Free memory was 108.9 MB in the beginning and 99.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:44,893 INFO L168 Benchmark]: Symbolic Interpretation took 848.01 ms. Allocated memory is still 141.6 MB. Free memory was 99.9 MB in the beginning and 79.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:44,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 141.6 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 316.22 ms. Allocated memory is still 141.6 MB. Free memory was 108.9 MB in the beginning and 99.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 848.01 ms. Allocated memory is still 141.6 MB. Free memory was 99.9 MB in the beginning and 79.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...