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/toy/LabelEncodingWithUnrolling.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:28,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:28,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:28,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:28,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:28,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:28,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:28,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:28,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:28,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:28,647 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:28,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:28,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:28,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:28,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:28,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:28,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:28,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:28,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:28,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:28,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:28,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:28,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:28,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:28,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:28,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:28,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:28,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:28,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:28,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:28,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:28,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:28,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:28,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:28,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:28,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:28,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:28,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:28,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:28,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:28,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:28,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:28,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:28,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:28,746 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:28,747 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:28,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LabelEncodingWithUnrolling.bpl [2019-08-05 11:49:28,748 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/LabelEncodingWithUnrolling.bpl' [2019-08-05 11:49:28,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:28,786 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:28,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:28,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:28,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:28,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (1/1) ... [2019-08-05 11:49:28,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:28,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:28,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:28,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:28,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:28" (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 [2019-08-05 11:49:28,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:49:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:49:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:49:29,187 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:29,188 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:49:29,189 INFO L202 PluginConnector]: Adding new model LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:29 BoogieIcfgContainer [2019-08-05 11:49:29,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:29,189 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:29,190 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:29,190 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:29,192 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "LabelEncodingWithUnrolling.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:29" (1/1) ... [2019-08-05 11:49:29,203 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:29,206 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:29,213 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:49:29,221 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:29,223 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:49:29,461 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2019-08-05 11:49:29,638 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:29,639 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:29,642 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 20#(and (= main_y (- 1)) (exists ((v_main_x_9 Bool) (v_main_y_8 Int)) (and (or (and (= v_main_x_9 main_x) v_main_x_9 (= v_main_y_8 main_y)) (and (= (+ v_main_y_8 (- 1)) main_y) (= v_main_x_9 main_x) (not v_main_x_9)) (and v_main_x_9 (not main_x) (= v_main_y_8 main_y)) (and (= v_main_x_9 main_x) (= v_main_y_8 main_y)) (and (= v_main_x_9 main_x) (= v_main_y_8 main_y) (not v_main_x_9))) (not (= v_main_y_8 (- 1))) (exists ((v_main_x_8 Bool) (v_main_y_7 Int)) (and (exists ((v_main_x_7 Bool)) (and v_main_x_7 (or (and v_main_x_7 (not v_main_x_8) (= v_main_y_7 0)) (and (= v_main_x_7 v_main_x_8) (not v_main_x_7) (= v_main_y_7 0)) (and v_main_x_7 (= v_main_x_7 v_main_x_8) (= v_main_y_7 0)) (and (= v_main_x_7 v_main_x_8) (= v_main_y_7 0)) (and (= v_main_y_7 (- 1)) (= v_main_x_7 v_main_x_8) (not v_main_x_7))))) (or (and (= v_main_y_8 v_main_y_7) v_main_x_8 (not v_main_x_9)) (and (= v_main_y_8 v_main_y_7) (= v_main_x_8 v_main_x_9)) (and (= v_main_y_8 v_main_y_7) (= v_main_x_8 v_main_x_9) (not v_main_x_8)) (and (= v_main_y_8 (+ v_main_y_7 (- 1))) (= v_main_x_8 v_main_x_9) (not v_main_x_8)) (and (= v_main_y_8 v_main_y_7) v_main_x_8 (= v_main_x_8 v_main_x_9)))))))) [2019-08-05 11:49:29,651 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:29,654 INFO L168 Benchmark]: Toolchain (without parser) took 866.93 ms. Allocated memory is still 142.1 MB. Free memory was 110.3 MB in the beginning and 87.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:29,655 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:49:29,656 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 142.1 MB. Free memory was 110.3 MB in the beginning and 108.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:29,657 INFO L168 Benchmark]: RCFGBuilder took 353.83 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 98.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:29,659 INFO L168 Benchmark]: Symbolic Interpretation took 462.00 ms. Allocated memory is still 142.1 MB. Free memory was 98.4 MB in the beginning and 87.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:29,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and 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 0.20 ms. Allocated memory is still 142.1 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 142.1 MB. Free memory was 110.3 MB in the beginning and 108.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 353.83 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 98.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 462.00 ms. Allocated memory is still 142.1 MB. Free memory was 98.4 MB in the beginning and 87.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...