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/PointerIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:57,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:57,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:57,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:57,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:57,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:57,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:57,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:58,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:58,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:58,005 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:58,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:58,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:58,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:58,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:58,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:58,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:58,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:58,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:58,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:58,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:58,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:58,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:58,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:58,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:58,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:58,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:58,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:58,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:58,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:58,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:58,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:58,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:58,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:58,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:58,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:58,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:58,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:58,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:58,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:58,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:58,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:58,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:58,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:58,114 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:58,115 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:58,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl [2019-08-09 14:13:58,116 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl' [2019-08-09 14:13:58,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:58,160 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:58,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:58,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:58,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:58,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:58,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:58,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:58,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:58,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:58" (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 [2019-08-09 14:13:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 14:13:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:13:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-09 14:13:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-09 14:13:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure ~free [2019-08-09 14:13:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-08-09 14:13:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 14:13:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:13:58,570 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:13:58,571 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:13:58,572 INFO L202 PluginConnector]: Adding new model PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:58 BoogieIcfgContainer [2019-08-09 14:13:58,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:58,573 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:58,573 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:58,573 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:58,574 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:58" (1/1) ... [2019-08-09 14:13:58,883 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:58,891 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:58,893 INFO L168 Benchmark]: Toolchain (without parser) took 733.00 ms. Allocated memory is still 140.0 MB. Free memory was 107.9 MB in the beginning and 81.0 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:58,894 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:13:58,895 INFO L168 Benchmark]: Boogie Preprocessor took 48.64 ms. Allocated memory is still 140.0 MB. Free memory was 107.9 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:58,896 INFO L168 Benchmark]: RCFGBuilder took 363.17 ms. Allocated memory is still 140.0 MB. Free memory was 105.6 MB in the beginning and 92.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:58,898 INFO L168 Benchmark]: Symbolic Interpretation took 318.07 ms. Allocated memory is still 140.0 MB. Free memory was 92.1 MB in the beginning and 81.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:58,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 16]: Unable to prove that procedure precondition always holds Unable to prove that procedure precondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 61#(not (<= (+ main_~q~1.offset 4) (select |#length| main_~q~1.base))). Possible FailurePath: - UnprovableResult [Line: 16]: Unable to prove that procedure precondition always holds Unable to prove that procedure precondition always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 58#(not (select |#valid| main_~q~1.base)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.64 ms. Allocated memory is still 140.0 MB. Free memory was 107.9 MB in the beginning and 105.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.17 ms. Allocated memory is still 140.0 MB. Free memory was 105.6 MB in the beginning and 92.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 318.07 ms. Allocated memory is still 140.0 MB. Free memory was 92.1 MB in the beginning and 81.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...