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-e6f8464 [2019-08-06 14:22:59,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:22:59,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:22:59,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:22:59,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:22:59,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:22:59,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:22:59,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:22:59,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:22:59,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:22:59,828 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:22:59,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:22:59,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:22:59,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:22:59,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:22:59,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:22:59,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:22:59,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:22:59,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:22:59,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:22:59,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:22:59,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:22:59,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:22:59,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:22:59,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:22:59,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:22:59,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:22:59,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:22:59,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:22:59,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:22:59,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:22:59,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:22:59,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:22:59,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:22:59,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:22:59,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:22:59,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:22:59,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:22:59,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:22:59,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:22:59,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:22:59,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:22:59,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:22:59,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:22:59,912 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:22:59,913 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:22:59,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl [2019-08-06 14:22:59,914 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl' [2019-08-06 14:22:59,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:22:59,954 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:22:59,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:22:59,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:22:59,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:22:59,981 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 02:22:59" (1/1) ... [2019-08-06 14:22:59,983 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 02:22:59" (1/1) ... [2019-08-06 14:22:59,991 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 02:22:59" (1/1) ... [2019-08-06 14:22:59,991 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 02:22:59" (1/1) ... [2019-08-06 14:22:59,996 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 02:22:59" (1/1) ... [2019-08-06 14:23:00,003 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 02:22:59" (1/1) ... [2019-08-06 14:23:00,005 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 02:22:59" (1/1) ... [2019-08-06 14:23:00,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:23:00,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:23:00,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:23:00,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:23:00,011 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 02:22:59" (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 14:23:00,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-06 14:23:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-06 14:23:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-06 14:23:00,885 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:23:00,886 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:23:00,887 INFO L202 PluginConnector]: Adding new model CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:23:00 BoogieIcfgContainer [2019-08-06 14:23:00,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:23:00,888 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:23:00,888 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:23:00,888 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:23:00,889 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,901 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:23:00,904 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:23:00,921 INFO L160 IcfgInterpreter]: Initial procedures are [Counter] [2019-08-06 14:23:00,929 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:23:00,931 INFO L185 IcfgInterpreter]: Interpreting procedure Counter with input of size 1 [2019-08-06 14:23:01,055 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:23:01,055 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:23:01,058 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 14:23:01,059 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:23:01,067 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:23:01,070 INFO L168 Benchmark]: Toolchain (without parser) took 1114.93 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 75.0 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,071 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,073 INFO L168 Benchmark]: Boogie Preprocessor took 51.74 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,074 INFO L168 Benchmark]: RCFGBuilder took 879.50 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 81.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,075 INFO L168 Benchmark]: Symbolic Interpretation took 179.24 ms. Allocated memory is still 134.2 MB. Free memory was 81.5 MB in the beginning and 75.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,081 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 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.74 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 879.50 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 81.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 179.24 ms. Allocated memory is still 134.2 MB. Free memory was 81.5 MB in the beginning and 75.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...