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/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:49,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:49,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:49,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:49,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:49,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:49,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:49,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:49,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:49,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:49,725 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:49,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:49,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:49,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:49,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:49,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:49,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:49,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:49,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:49,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:49,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:49,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:49,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:49,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:49,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:49,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:49,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:49,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:49,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:49,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:49,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:49,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:49,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:49,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:49,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:49,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:49,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:49,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:49,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:49,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:49,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:49,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:49,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:49,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:49,808 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:49,808 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:49,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl [2019-08-04 21:58:49,811 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl' [2019-08-04 21:58:49,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:49,847 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:49,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:49,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:49,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:49,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:49,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:49,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:49,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:49,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (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 21:58:49,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:50,217 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:50,217 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:50,219 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:50 BoogieIcfgContainer [2019-08-04 21:58:50,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:50,219 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:50,219 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:50,220 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:50,221 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:50" (1/1) ... [2019-08-04 21:58:50,232 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-04 21:58:50,235 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:50,242 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:50,251 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:50,252 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:50,497 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2019-08-04 21:58:50,643 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2019-08-04 21:58:51,549 WARN L188 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2019-08-04 21:59:04,240 WARN L188 SmtUtils]: Spent 12.61 s on a formula simplification that was a NOOP. DAG size: 66 [2019-08-04 21:59:04,595 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-08-04 21:59:05,256 WARN L188 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-04 21:59:05,379 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:59:05,379 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:59:05,382 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 44#(and (exists ((v_main_eat_11 Int)) (and (<= 0 v_main_eat_11) (exists ((v_main_eat_10 Int)) (= v_main_eat_11 (div v_main_eat_10 2))) (= (div v_main_eat_11 2) main_eat) (<= (div main_init 2) (+ v_main_eat_11 main_eat main_cakeLeft)))) (not (<= (div main_init 2) (+ main_eat main_cakeLeft)))) [2019-08-04 21:59:05,383 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 38#(and (exists ((v_main_eat_10 Int)) (= main_eat (div v_main_eat_10 2))) (<= (div main_init 2) (+ main_eat main_cakeLeft)) (not (<= (div main_init 2) main_cakeLeft))) [2019-08-04 21:59:05,391 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:59:05,393 INFO L168 Benchmark]: Toolchain (without parser) took 15545.68 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 66.7 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:05,395 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.32 ms. Allocated memory is still 134.2 MB. Free memory was 110.7 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:59:05,396 INFO L168 Benchmark]: Boogie Preprocessor took 49.20 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:05,397 INFO L168 Benchmark]: RCFGBuilder took 320.31 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 98.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:05,399 INFO L168 Benchmark]: Symbolic Interpretation took 15171.85 ms. Allocated memory is still 134.2 MB. Free memory was 98.2 MB in the beginning and 66.7 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:05,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 30]: 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: - UnprovableResult [Line: 36]: 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 0.32 ms. Allocated memory is still 134.2 MB. Free memory was 110.7 MB in the beginning and 110.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.20 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 107.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 320.31 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 98.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15171.85 ms. Allocated memory is still 134.2 MB. Free memory was 98.2 MB in the beginning and 66.7 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...