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-e6f8464 [2019-08-06 14:23:00,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 14:23:00,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 14:23:00,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 14:23:00,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 14:23:00,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 14:23:00,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 14:23:00,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 14:23:00,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 14:23:00,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 14:23:00,671 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 14:23:00,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 14:23:00,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 14:23:00,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 14:23:00,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 14:23:00,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 14:23:00,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 14:23:00,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 14:23:00,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 14:23:00,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 14:23:00,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 14:23:00,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 14:23:00,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 14:23:00,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 14:23:00,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 14:23:00,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 14:23:00,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 14:23:00,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 14:23:00,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 14:23:00,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 14:23:00,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 14:23:00,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 14:23:00,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 14:23:00,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 14:23:00,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 14:23:00,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 14:23:00,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 14:23:00,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 14:23:00,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 14:23:00,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 14:23:00,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 14:23:00,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 14:23:00,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 14:23:00,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 14:23:00,770 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 14:23:00,771 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 14:23:00,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl [2019-08-06 14:23:00,772 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl' [2019-08-06 14:23:00,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 14:23:00,803 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 14:23:00,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 14:23:00,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 14:23:00,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 14:23:00,828 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,830 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,836 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,837 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,839 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,844 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,845 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 02:23:00" (1/1) ... [2019-08-06 14:23:00,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 14:23:00,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 14:23:00,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 14:23:00,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 14:23:00,848 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 02:23:00" (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 14:23:00,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-06 14:23:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-06 14:23:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-06 14:23:01,338 INFO L275 CfgBuilder]: Using library mode [2019-08-06 14:23:01,338 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 14:23:01,340 INFO L202 PluginConnector]: Adding new model CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 02:23:01 BoogieIcfgContainer [2019-08-06 14:23:01,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 14:23:01,341 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 14:23:01,341 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 14:23:01,341 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 14:23:01,342 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 02:23:01" (1/1) ... [2019-08-06 14:23:01,354 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 14:23:01,357 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 14:23:01,364 INFO L160 IcfgInterpreter]: Initial procedures are [Counter] [2019-08-06 14:23:01,372 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 14:23:01,374 INFO L185 IcfgInterpreter]: Interpreting procedure Counter with input of size 1 [2019-08-06 14:23:01,537 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 14:23:01,537 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 14:23:01,543 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 14:23:01,544 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 14:23:01,553 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 14:23:01,557 INFO L168 Benchmark]: Toolchain (without parser) took 751.63 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 86.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,558 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,561 INFO L168 Benchmark]: Boogie Preprocessor took 42.66 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,562 INFO L168 Benchmark]: RCFGBuilder took 493.17 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 92.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,563 INFO L168 Benchmark]: Symbolic Interpretation took 212.51 ms. Allocated memory is still 140.5 MB. Free memory was 91.8 MB in the beginning and 86.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 14:23:01,569 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 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.66 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.17 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 92.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 212.51 ms. Allocated memory is still 140.5 MB. Free memory was 91.8 MB in the beginning and 86.3 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...