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/4BitCounter-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:58,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:58,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:58,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:58,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:58,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:58,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:58,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:58,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:58,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:58,360 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:58,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:58,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:58,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:58,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:58,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:58,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:58,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:58,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:58,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:58,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:58,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:58,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:58,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:58,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:58,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:58,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:58,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:58,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:58,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:58,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:58,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:58,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:58,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:58,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:58,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:58,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:58,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:58,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:58,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:58,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:58,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:58,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:58,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:58,433 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:58,434 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:58,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/4BitCounter-incorrect.bpl [2019-08-06 16:54:58,435 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/4BitCounter-incorrect.bpl' [2019-08-06 16:54:58,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:58,471 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:58,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:58,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:58,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:58,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (1/1) ... [2019-08-06 16:54:58,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:58,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:58,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:58,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:58,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:58" (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 [2019-08-06 16:54:58,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure FourBitCounter given in one single declaration [2019-08-06 16:54:58,597 INFO L130 BoogieDeclarations]: Found specification of procedure FourBitCounter [2019-08-06 16:54:58,597 INFO L138 BoogieDeclarations]: Found implementation of procedure FourBitCounter [2019-08-06 16:54:59,108 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:59,108 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:59,110 INFO L202 PluginConnector]: Adding new model 4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:59 BoogieIcfgContainer [2019-08-06 16:54:59,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:59,111 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:59,111 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:59,111 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:59,112 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:59" (1/1) ... [2019-08-06 16:54:59,124 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:59,127 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:59,134 INFO L160 IcfgInterpreter]: Initial procedures are [FourBitCounter] [2019-08-06 16:54:59,142 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:59,144 INFO L185 IcfgInterpreter]: Interpreting procedure FourBitCounter with input of size 1 [2019-08-06 16:54:59,261 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:59,261 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:59,264 INFO L179 IcfgInterpreter]: Location FourBitCounterErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (or (and (or (and (= FourBitCounter_x3 0) (= FourBitCounter_x1 1)) (and (or (and (= FourBitCounter_x3 0) (= FourBitCounter_x2 1)) (and (= FourBitCounter_x3 1) (exists ((v_FourBitCounter_x2_24 Int)) (not (= 0 v_FourBitCounter_x2_24))) (= FourBitCounter_x2 0))) (= FourBitCounter_x1 0) (exists ((v_FourBitCounter_x1_20 Int)) (not (= 0 v_FourBitCounter_x1_20))))) (= FourBitCounter_x0 0) (exists ((v_FourBitCounter_x0_16 Int)) (not (= 0 v_FourBitCounter_x0_16)))) (and (= FourBitCounter_x3 0) (= FourBitCounter_x0 1))) (not (= FourBitCounter_x3 0))) [2019-08-06 16:54:59,266 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:59,273 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:59,276 INFO L168 Benchmark]: Toolchain (without parser) took 804.07 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 86.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:59,277 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:54:59,278 INFO L168 Benchmark]: Boogie Preprocessor took 46.55 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:59,280 INFO L168 Benchmark]: RCFGBuilder took 591.37 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 92.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:59,281 INFO L168 Benchmark]: Symbolic Interpretation took 162.64 ms. Allocated memory is still 132.6 MB. Free memory was 92.3 MB in the beginning and 86.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:59,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 56]: 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 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.55 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 591.37 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 92.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 162.64 ms. Allocated memory is still 132.6 MB. Free memory was 92.3 MB in the beginning and 86.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...