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_8bitCounter-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:18,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:18,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:18,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:18,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:18,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:18,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:18,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:18,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:18,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:18,146 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:18,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:18,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:18,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:18,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:18,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:18,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:18,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:18,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:18,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:18,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:18,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:18,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:18,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:18,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:18,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:18,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:18,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:18,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:18,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:18,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:18,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:18,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:18,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:18,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:18,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:18,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:18,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:18,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:18,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:18,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:18,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:18,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:18,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:18,249 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:18,250 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:18,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl [2019-08-06 16:56:18,252 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl' [2019-08-06 16:56:18,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:18,303 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:18,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:18,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:18,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:18,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (1/1) ... [2019-08-06 16:56:18,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:18,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:18,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:18,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:18,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:18" (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 16:56:18,422 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-06 16:56:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-06 16:56:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-06 16:56:19,313 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:56:19,314 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:19,315 INFO L202 PluginConnector]: Adding new model CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:19 BoogieIcfgContainer [2019-08-06 16:56:19,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:19,316 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:19,316 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:19,317 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:19,318 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:19" (1/1) ... [2019-08-06 16:56:19,330 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:19,333 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:19,342 INFO L160 IcfgInterpreter]: Initial procedures are [Counter] [2019-08-06 16:56:19,352 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:19,354 INFO L185 IcfgInterpreter]: Interpreting procedure Counter with input of size 1 [2019-08-06 16:56:19,485 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:19,486 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:19,489 INFO L179 IcfgInterpreter]: Location CounterErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (or (not (= 0 Counter_x6)) (not (= 0 Counter_x1)) (not (= 0 Counter_x5)) (not (= 0 Counter_x2)) (not (= 1 Counter_x7)) (not (= 0 Counter_x4)) (not (= 0 Counter_x0)) (not (= 0 Counter_x3))) (not (= 0 Counter_x7)) (or (and (= 0 Counter_x0) (or (and (or (and (exists ((v_Counter_x2_28 Int)) (not (= 0 v_Counter_x2_28))) (or (and (exists ((v_Counter_x3_32 Int)) (not (= 0 v_Counter_x3_32))) (= 0 Counter_x3) (or (and (= 1 Counter_x4) (= 0 Counter_x7)) (and (or (and (= 1 Counter_x5) (= 0 Counter_x7)) (and (or (and (exists ((v_Counter_x6_44 Int)) (not (= 0 v_Counter_x6_44))) (= 1 Counter_x7) (= 0 Counter_x6)) (and (= 0 Counter_x7) (= 1 Counter_x6))) (exists ((v_Counter_x5_40 Int)) (not (= 0 v_Counter_x5_40))) (= 0 Counter_x5))) (exists ((v_Counter_x4_36 Int)) (not (= 0 v_Counter_x4_36))) (= 0 Counter_x4)))) (and (= 1 Counter_x3) (= 0 Counter_x7))) (= 0 Counter_x2)) (and (= 1 Counter_x2) (= 0 Counter_x7))) (= 0 Counter_x1) (exists ((v_Counter_x1_24 Int)) (not (= 0 v_Counter_x1_24)))) (and (= 0 Counter_x7) (= 1 Counter_x1))) (exists ((v_Counter_x0_20 Int)) (not (= 0 v_Counter_x0_20)))) (and (= 0 Counter_x7) (= 1 Counter_x0)))) [2019-08-06 16:56:19,490 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:19,498 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:19,501 INFO L168 Benchmark]: Toolchain (without parser) took 1196.96 ms. Allocated memory is still 142.1 MB. Free memory was 110.5 MB in the beginning and 74.8 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:19,502 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:19,504 INFO L168 Benchmark]: Boogie Preprocessor took 46.96 ms. Allocated memory is still 142.1 MB. Free memory was 110.5 MB in the beginning and 108.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:19,505 INFO L168 Benchmark]: RCFGBuilder took 964.85 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 81.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:19,506 INFO L168 Benchmark]: Symbolic Interpretation took 181.81 ms. Allocated memory is still 142.1 MB. Free memory was 81.4 MB in the beginning and 74.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:19,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 49]: 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 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.96 ms. Allocated memory is still 142.1 MB. Free memory was 110.5 MB in the beginning and 108.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 964.85 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 81.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 181.81 ms. Allocated memory is still 142.1 MB. Free memory was 81.4 MB in the beginning and 74.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...