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 0.1.24-3b9210c [2019-08-06 16:56:19,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:19,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:19,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:19,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:19,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:19,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:19,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:19,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:19,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:19,255 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:19,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:19,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:19,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:19,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:19,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:19,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:19,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:19,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:19,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:19,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:19,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:19,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:19,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:19,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:19,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:19,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:19,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:19,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:19,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:19,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:19,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:19,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:19,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:19,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:19,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:19,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:19,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:19,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:19,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:19,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:19,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:19,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:19,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:19,325 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:19,326 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:19,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl [2019-08-06 16:56:19,327 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl' [2019-08-06 16:56:19,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:19,363 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:19,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:19,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:19,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:19,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:19,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:19,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:19,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:19,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:19" (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 16:56:19,482 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-06 16:56:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-06 16:56:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-06 16:56:19,952 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:56:19,953 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:19,954 INFO L202 PluginConnector]: Adding new model CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:19 BoogieIcfgContainer [2019-08-06 16:56:19,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:19,955 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:19,955 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:19,955 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:19,956 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 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,968 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:19,971 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:19,984 INFO L160 IcfgInterpreter]: Initial procedures are [Counter] [2019-08-06 16:56:19,995 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:19,997 INFO L185 IcfgInterpreter]: Interpreting procedure Counter with input of size 1 [2019-08-06 16:56:20,117 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:20,117 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:20,120 INFO L179 IcfgInterpreter]: Location CounterErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (or (not (= 0 Counter_x1)) (not (= 0 Counter_x2)) (not (= 0 Counter_x0)) (not (= 1 Counter_x3))) (or (and (= 0 Counter_x3) (= 1 Counter_x0)) (and (= 0 Counter_x0) (exists ((v_Counter_x0_20 Int)) (not (= 0 v_Counter_x0_20))) (or (and (= 0 Counter_x3) (= 1 Counter_x1)) (and (or (and (= 1 Counter_x2) (= 0 Counter_x3)) (and (exists ((v_Counter_x2_28 Int)) (not (= 0 v_Counter_x2_28))) (= 1 Counter_x3) (= 0 Counter_x2))) (= 0 Counter_x1) (exists ((v_Counter_x1_24 Int)) (not (= 0 v_Counter_x1_24))))))) (not (= 0 Counter_x3))) [2019-08-06 16:56:20,121 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:20,129 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:20,132 INFO L168 Benchmark]: Toolchain (without parser) took 768.50 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 84.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:20,133 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:20,135 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:20,136 INFO L168 Benchmark]: RCFGBuilder took 543.56 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 89.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:20,137 INFO L168 Benchmark]: Symbolic Interpretation took 174.68 ms. Allocated memory is still 138.4 MB. Free memory was 89.7 MB in the beginning and 84.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:20,142 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 543.56 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 89.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 174.68 ms. Allocated memory is still 138.4 MB. Free memory was 89.7 MB in the beginning and 84.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...