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/CounterExp-8bit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:21,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:21,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:21,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:21,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:21,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:21,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:21,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:21,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:21,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:21,943 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:21,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:21,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:21,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:21,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:21,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:21,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:21,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:21,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:21,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:21,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:21,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:21,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:21,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:21,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:21,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:21,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:21,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:21,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:21,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:21,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:21,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:21,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:21,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:21,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:21,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:21,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:21,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:21,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:21,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:21,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:21,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:22,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:22,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:22,017 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:22,017 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:22,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-8bit.bpl [2019-08-06 16:56:22,018 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CounterExp-8bit.bpl' [2019-08-06 16:56:22,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:22,057 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:22,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:22,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:22,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:22,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (1/1) ... [2019-08-06 16:56:22,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:22,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:22,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:22,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:22,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:22" (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 [2019-08-06 16:56:22,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-06 16:56:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-06 16:56:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-06 16:56:23,081 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:56:23,082 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:23,083 INFO L202 PluginConnector]: Adding new model CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:23 BoogieIcfgContainer [2019-08-06 16:56:23,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:23,084 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:23,084 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:23,085 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:23,086 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CounterExp-8bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:23" (1/1) ... [2019-08-06 16:56:23,098 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:23,101 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:23,113 INFO L160 IcfgInterpreter]: Initial procedures are [ThreeBitCounter] [2019-08-06 16:56:23,123 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:23,125 INFO L185 IcfgInterpreter]: Interpreting procedure ThreeBitCounter with input of size 1 [2019-08-06 16:56:23,270 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:23,270 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:23,273 INFO L179 IcfgInterpreter]: Location ThreeBitCounterErr0ASSERT_VIOLATIONASSERT has predicate 24#(and ThreeBitCounter_of (or ThreeBitCounter_x1 ThreeBitCounter_x0 ThreeBitCounter_x5 ThreeBitCounter_x4 ThreeBitCounter_x3 ThreeBitCounter_x2 ThreeBitCounter_x7 ThreeBitCounter_x6)) [2019-08-06 16:56:23,274 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:23,283 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:23,286 INFO L168 Benchmark]: Toolchain (without parser) took 1228.28 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 66.4 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:23,287 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:56:23,289 INFO L168 Benchmark]: Boogie Preprocessor took 57.53 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:23,291 INFO L168 Benchmark]: RCFGBuilder took 967.31 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 74.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:23,292 INFO L168 Benchmark]: Symbolic Interpretation took 198.81 ms. Allocated memory is still 140.5 MB. Free memory was 74.0 MB in the beginning and 66.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:23,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 86]: 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.53 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 967.31 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 74.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 198.81 ms. Allocated memory is still 140.5 MB. Free memory was 74.0 MB in the beginning and 66.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...