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/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:24,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:24,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:24,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:24,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:24,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:24,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:24,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:25,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:25,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:25,003 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:25,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:25,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:25,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:25,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:25,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:25,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:25,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:25,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:25,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:25,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:25,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:25,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:25,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:25,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:25,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:25,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:25,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:25,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:25,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:25,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:25,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:25,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:25,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:25,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:25,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:25,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:25,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:25,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:25,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:25,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:25,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:25,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:25,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:25,088 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:25,089 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:25,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl [2019-08-05 11:49:25,090 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl' [2019-08-05 11:49:25,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:25,130 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:25,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:25,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:25,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:25,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:25,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:25,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:25,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:25,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:25" (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 11:49:25,253 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:49:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:49:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:49:25,728 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:25,728 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:49:25,729 INFO L202 PluginConnector]: Adding new model Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:25 BoogieIcfgContainer [2019-08-05 11:49:25,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:25,730 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:25,730 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:25,730 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:25,732 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:25" (1/1) ... [2019-08-05 11:49:25,743 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:25,746 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:25,753 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:49:25,761 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:25,762 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:49:26,047 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-08-05 11:49:26,279 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2019-08-05 11:49:26,610 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2019-08-05 11:49:50,818 WARN L188 SmtUtils]: Spent 24.09 s on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 11:49:50,841 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:50,841 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:50,845 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 33#(and (exists ((v_main_a_y_40 Int) (v_main_a_x_37 Int)) (and (or (and (= main_y main_x) (= (+ main_a_y 1) main_a_x)) (and (not (= main_y main_x)) (= main_a_x (+ v_main_a_x_37 1)))) (or (and (= main_y main_x) (= (+ main_a_y 1) (+ v_main_a_x_37 2))) (and (= (+ main_a_y 1) v_main_a_y_40) (not (= main_y main_x)))))) (= main_a_x 1000) (not (<= main_a_y 0))) [2019-08-05 11:49:50,854 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:50,856 INFO L168 Benchmark]: Toolchain (without parser) took 25725.83 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 63.4 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:50,857 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:49:50,859 INFO L168 Benchmark]: Boogie Preprocessor took 51.79 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:50,860 INFO L168 Benchmark]: RCFGBuilder took 547.20 ms. Allocated memory is still 138.9 MB. Free memory was 106.4 MB in the beginning and 91.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:50,861 INFO L168 Benchmark]: Symbolic Interpretation took 25123.73 ms. Allocated memory is still 138.9 MB. Free memory was 91.1 MB in the beginning and 63.4 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:50,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 41]: 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 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.79 ms. Allocated memory is still 138.9 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 547.20 ms. Allocated memory is still 138.9 MB. Free memory was 106.4 MB in the beginning and 91.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 25123.73 ms. Allocated memory is still 138.9 MB. Free memory was 91.1 MB in the beginning and 63.4 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...