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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:32,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:32,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:32,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:32,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:32,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:32,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:32,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:32,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:32,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:32,943 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:32,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:32,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:32,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:32,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:32,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:32,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:32,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:32,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:32,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:32,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:32,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:32,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:32,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:32,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:32,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:32,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:32,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:32,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:32,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:32,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:32,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:32,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:32,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:32,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:32,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:32,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:32,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:32,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:32,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:32,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:32,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:33,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:33,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:33,015 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:33,016 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:33,017 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2019-08-04 21:58:33,017 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2019-08-04 21:58:33,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:33,052 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:33,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:33,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:33,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:33,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:33,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:33,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:33,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:33,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:33" (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 [2019-08-04 21:58:33,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:33,395 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:33,395 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:58:33,396 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:33 BoogieIcfgContainer [2019-08-04 21:58:33,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:33,397 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:33,397 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:33,397 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:33,399 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:33" (1/1) ... [2019-08-04 21:58:33,410 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-04 21:58:33,413 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:33,421 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:33,429 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:33,431 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:33,705 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-08-04 21:58:33,992 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-08-04 21:58:39,622 WARN L188 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 77 [2019-08-04 21:58:39,749 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:39,749 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:39,752 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 34#(and (not (< x 100)) (not (<= y 100)) (exists ((v_x_16 Int) (v_y_18 Int)) (and (or (and (< v_x_16 50) (= v_y_18 y) (= x (+ v_x_16 1))) (and (not (< v_x_16 50)) (= y (+ v_y_18 1)) (= x (+ v_x_16 1)))) (< v_x_16 100)))) [2019-08-04 21:58:39,752 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 37#(and (not (< x 100)) (not (<= 100 y)) (exists ((v_x_16 Int) (v_y_18 Int)) (and (or (and (< v_x_16 50) (= v_y_18 y) (= x (+ v_x_16 1))) (and (not (< v_x_16 50)) (= y (+ v_y_18 1)) (= x (+ v_x_16 1)))) (< v_x_16 100)))) [2019-08-04 21:58:39,761 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:39,763 INFO L168 Benchmark]: Toolchain (without parser) took 6710.65 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 75.9 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:39,764 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:39,766 INFO L168 Benchmark]: Boogie Preprocessor took 44.07 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:39,767 INFO L168 Benchmark]: RCFGBuilder took 299.43 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 96.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:39,768 INFO L168 Benchmark]: Symbolic Interpretation took 6364.00 ms. Allocated memory is still 140.5 MB. Free memory was 96.2 MB in the beginning and 76.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:39,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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: - UnprovableResult [Line: 24]: 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 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.07 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.43 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 96.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6364.00 ms. Allocated memory is still 140.5 MB. Free memory was 96.2 MB in the beginning and 76.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...