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_CounterExp-4bit.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:14,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:14,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:14,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:14,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:14,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:14,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:14,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:14,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:14,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:14,778 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:14,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:14,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:14,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:14,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:14,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:14,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:14,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:14,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:14,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:14,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:14,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:14,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:14,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:14,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:14,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:14,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:14,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:14,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:14,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:14,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:14,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:14,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:14,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:14,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:14,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:14,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:14,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:14,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:14,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:14,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:14,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:14,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:14,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:14,875 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:14,875 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:14,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_CounterExp-4bit.bpl [2019-08-06 16:56:14,877 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_CounterExp-4bit.bpl' [2019-08-06 16:56:14,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:14,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:14,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:14,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:14,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:14,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (1/1) ... [2019-08-06 16:56:14,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:14,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:14,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:14,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:14,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:14" (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 16:56:15,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-06 16:56:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-06 16:56:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-06 16:56:15,662 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:56:15,662 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:15,663 INFO L202 PluginConnector]: Adding new model CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:15 BoogieIcfgContainer [2019-08-06 16:56:15,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:15,664 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:15,664 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:15,665 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:15,665 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CTR_CounterExp-4bit.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:15" (1/1) ... [2019-08-06 16:56:15,677 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:15,680 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:15,687 INFO L160 IcfgInterpreter]: Initial procedures are [ThreeBitCounter] [2019-08-06 16:56:15,695 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:15,697 INFO L185 IcfgInterpreter]: Interpreting procedure ThreeBitCounter with input of size 1 [2019-08-06 16:56:15,789 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:15,789 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:15,792 INFO L179 IcfgInterpreter]: Location ThreeBitCounterErr0ASSERT_VIOLATIONASSERT has predicate 23#(and ThreeBitCounter_of (or ThreeBitCounter_x1 ThreeBitCounter_x0 ThreeBitCounter_x3 ThreeBitCounter_x2) (exists ((v_ThreeBitCounter_of_47 Bool) (v_ThreeBitCounter_x0_20 Bool) (v_ThreeBitCounter_x1_24 Bool) (v_ThreeBitCounter_x3_28 Bool) (v_ThreeBitCounter_x2_28 Bool) (v_ThreeBitCounter_of_45 Bool) (v_ThreeBitCounter_of_56 Bool) (v_ThreeBitCounter_of_46 Bool)) (and (not v_ThreeBitCounter_of_56) (or (and (not ThreeBitCounter_x0) v_ThreeBitCounter_x0_20 v_ThreeBitCounter_of_45) (and ThreeBitCounter_x0 (= v_ThreeBitCounter_of_45 v_ThreeBitCounter_of_56) (not v_ThreeBitCounter_x0_20))) (or (and (= ThreeBitCounter_x1 v_ThreeBitCounter_x1_24) (= v_ThreeBitCounter_of_45 v_ThreeBitCounter_of_46) (not v_ThreeBitCounter_of_45)) (and (or (and v_ThreeBitCounter_x1_24 (not ThreeBitCounter_x1) (= v_ThreeBitCounter_of_45 v_ThreeBitCounter_of_46)) (and ThreeBitCounter_x1 (not v_ThreeBitCounter_x1_24) (not v_ThreeBitCounter_of_46))) v_ThreeBitCounter_of_45)) (or (and (or (and (not v_ThreeBitCounter_of_47) ThreeBitCounter_x2 (not v_ThreeBitCounter_x2_28)) (and (not ThreeBitCounter_x2) v_ThreeBitCounter_x2_28 (= v_ThreeBitCounter_of_46 v_ThreeBitCounter_of_47))) v_ThreeBitCounter_of_46) (and (= ThreeBitCounter_x2 v_ThreeBitCounter_x2_28) (= v_ThreeBitCounter_of_46 v_ThreeBitCounter_of_47) (not v_ThreeBitCounter_of_46))) (or (and v_ThreeBitCounter_of_47 (or (and (not ThreeBitCounter_of) ThreeBitCounter_x3 (not v_ThreeBitCounter_x3_28)) (and (not ThreeBitCounter_x3) (= ThreeBitCounter_of v_ThreeBitCounter_of_47) v_ThreeBitCounter_x3_28))) (and (not v_ThreeBitCounter_of_47) (= ThreeBitCounter_of v_ThreeBitCounter_of_47) (= ThreeBitCounter_x3 v_ThreeBitCounter_x3_28)))))) [2019-08-06 16:56:15,793 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:15,801 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:15,804 INFO L168 Benchmark]: Toolchain (without parser) took 887.28 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 80.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,805 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,807 INFO L168 Benchmark]: Boogie Preprocessor took 52.87 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,808 INFO L168 Benchmark]: RCFGBuilder took 693.97 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 86.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,810 INFO L168 Benchmark]: Symbolic Interpretation took 136.98 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 80.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:15,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 46]: 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 138.4 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.87 ms. Allocated memory is still 138.4 MB. Free memory was 106.7 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 693.97 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 86.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 136.98 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 80.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...