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-b03553c [2019-08-05 18:12:22,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:22,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:22,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:22,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:22,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:22,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:22,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:22,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:22,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:22,301 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:22,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:22,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:22,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:22,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:22,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:22,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:22,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:22,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:22,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:22,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:22,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:22,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:22,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:22,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:22,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:22,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:22,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:22,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:22,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:22,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:22,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:22,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:22,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:22,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:22,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:22,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:22,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:22,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:22,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:22,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:22,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:22,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:22,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:22,373 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:22,373 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:22,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/INT_add_vs_inc.bpl [2019-08-05 18:12:22,374 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/INT_add_vs_inc.bpl' [2019-08-05 18:12:22,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:22,407 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:22,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:22,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:22,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:22,430 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,431 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,437 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,437 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,440 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,443 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,444 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:22,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:22,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:22,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:22,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:22" (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 [2019-08-05 18:12:22,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure add given in one single declaration [2019-08-05 18:12:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure add [2019-08-05 18:12:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2019-08-05 18:12:22,694 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:22,694 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:22,695 INFO L202 PluginConnector]: Adding new model INT_add_vs_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:22 BoogieIcfgContainer [2019-08-05 18:12:22,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:22,696 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:22,696 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:22,696 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:22,697 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 05.08 06:12:22" (1/1) ... [2019-08-05 18:12:22,709 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:22,712 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:22,719 INFO L160 IcfgInterpreter]: Initial procedures are [add] [2019-08-05 18:12:22,728 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:22,729 INFO L185 IcfgInterpreter]: Interpreting procedure add with input of size 1 [2019-08-05 18:12:22,825 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:22,825 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:22,831 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))) [2019-08-05 18:12:22,833 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:22,841 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:22,844 INFO L168 Benchmark]: Toolchain (without parser) took 436.00 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 93.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:22,845 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:22,848 INFO L168 Benchmark]: Boogie Preprocessor took 38.48 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:22,851 INFO L168 Benchmark]: RCFGBuilder took 248.94 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 98.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:22,852 INFO L168 Benchmark]: Symbolic Interpretation took 145.23 ms. Allocated memory is still 133.7 MB. Free memory was 98.5 MB in the beginning and 93.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:22,857 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.48 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.94 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 98.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 145.23 ms. Allocated memory is still 133.7 MB. Free memory was 98.5 MB in the beginning and 93.5 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...