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/scalable/CTR_4bitCounter-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:15:20,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:15:20,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:15:20,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:15:20,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:15:20,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:15:20,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:15:20,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:15:20,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:15:20,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:15:20,365 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:15:20,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:15:20,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:15:20,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:15:20,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:15:20,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:15:20,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:15:20,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:15:20,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:15:20,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:15:20,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:15:20,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:15:20,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:15:20,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:15:20,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:15:20,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:15:20,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:15:20,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:15:20,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:15:20,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:15:20,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:15:20,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:15:20,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:15:20,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:15:20,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:15:20,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:15:20,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:15:20,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:15:20,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:15:20,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:15:20,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:15:20,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:15:20,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:15:20,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:15:20,447 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:15:20,448 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:15:20,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl [2019-08-09 14:15:20,449 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl' [2019-08-09 14:15:20,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:15:20,491 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:15:20,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:15:20,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:15:20,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:15:20,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:20,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:15:20,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:15:20,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:15:20,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:15:20,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:20" (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 14:15:20,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-09 14:15:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-09 14:15:20,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-09 14:15:20,967 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:15:20,967 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:15:20,969 INFO L202 PluginConnector]: Adding new model CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:20 BoogieIcfgContainer [2019-08-09 14:15:20,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:15:20,970 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:15:20,970 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:15:20,971 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:15:20,972 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:20" (1/1) ... [2019-08-09 14:15:21,245 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:15:21,253 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:15:21,258 INFO L168 Benchmark]: Toolchain (without parser) took 763.84 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 80.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:21,260 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:15:21,262 INFO L168 Benchmark]: Boogie Preprocessor took 54.01 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 101.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:21,264 INFO L168 Benchmark]: RCFGBuilder took 421.69 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 87.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:21,265 INFO L168 Benchmark]: Symbolic Interpretation took 282.71 ms. Allocated memory is still 135.8 MB. Free memory was 87.1 MB in the beginning and 80.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:21,271 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 29]: 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. Predicate is 32#(and (or (not (= 0 Counter_x1)) (not (= 0 Counter_x2)) (not (= 0 Counter_x0)) (not (= 1 Counter_x3))) (not (= 0 Counter_x3))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.01 ms. Allocated memory is still 135.8 MB. Free memory was 104.1 MB in the beginning and 101.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.69 ms. Allocated memory is still 135.8 MB. Free memory was 101.9 MB in the beginning and 87.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 282.71 ms. Allocated memory is still 135.8 MB. Free memory was 87.1 MB in the beginning and 80.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...