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/INT_add_vs_inc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:39,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:39,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:39,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:39,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:39,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:39,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:39,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:39,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:39,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:39,752 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:39,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:39,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:39,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:39,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:39,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:39,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:39,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:39,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:39,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:39,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:39,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:39,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:39,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:39,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:39,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:39,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:39,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:39,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:39,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:39,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:39,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:39,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:39,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:39,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:39,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:39,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:39,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:39,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:39,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:39,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:39,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:39,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:39,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:39,832 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:39,833 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:39,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/INT_add_vs_inc.bpl [2019-08-06 16:54:39,835 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/INT_add_vs_inc.bpl' [2019-08-06 16:54:39,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:39,872 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:39,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:39,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:39,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:39,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (1/1) ... [2019-08-06 16:54:39,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:39,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:39,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:39,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:39,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:39" (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 16:54:39,992 INFO L124 BoogieDeclarations]: Specification and implementation of procedure add given in one single declaration [2019-08-06 16:54:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure add [2019-08-06 16:54:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2019-08-06 16:54:40,261 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:40,262 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:40,263 INFO L202 PluginConnector]: Adding new model INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:40 BoogieIcfgContainer [2019-08-06 16:54:40,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:40,264 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:40,264 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:40,264 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:40,265 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:40" (1/1) ... [2019-08-06 16:54:40,277 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:40,282 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:40,296 INFO L160 IcfgInterpreter]: Initial procedures are [add] [2019-08-06 16:54:40,308 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:40,310 INFO L185 IcfgInterpreter]: Interpreting procedure add with input of size 1 [2019-08-06 16:54:40,414 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:40,415 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:40,420 INFO L179 IcfgInterpreter]: Location addErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (< 0 add_y)) (< 0 (+ add_y 1)) (not (= (+ add_x add_y0) add_result))) [2019-08-06 16:54:40,421 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:40,428 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:40,431 INFO L168 Benchmark]: Toolchain (without parser) took 558.03 ms. Allocated memory is still 138.9 MB. Free memory was 107.8 MB in the beginning and 91.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:40,432 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:40,434 INFO L168 Benchmark]: Boogie Preprocessor took 49.04 ms. Allocated memory is still 138.9 MB. Free memory was 107.8 MB in the beginning and 105.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:40,435 INFO L168 Benchmark]: RCFGBuilder took 340.81 ms. Allocated memory is still 138.9 MB. Free memory was 105.5 MB in the beginning and 96.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:40,436 INFO L168 Benchmark]: Symbolic Interpretation took 164.46 ms. Allocated memory is still 138.9 MB. Free memory was 96.5 MB in the beginning and 91.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:40,440 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: 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 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.04 ms. Allocated memory is still 138.9 MB. Free memory was 107.8 MB in the beginning and 105.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.81 ms. Allocated memory is still 138.9 MB. Free memory was 105.5 MB in the beginning and 96.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 164.46 ms. Allocated memory is still 138.9 MB. Free memory was 96.5 MB in the beginning and 91.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...