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 0.1.24-3b9210c [2019-08-06 16:54:41,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:41,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:41,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:41,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:41,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:41,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:41,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:41,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:41,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:41,966 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:41,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:41,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:41,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:41,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:41,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:41,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:41,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:41,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:41,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:41,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:41,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:41,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:41,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:41,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:41,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:41,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:41,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:41,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:41,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:41,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:41,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:41,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:41,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:41,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:41,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:42,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:42,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:42,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:42,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:42,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:42,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:42,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:42,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:42,054 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:42,054 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:42,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl [2019-08-06 16:54:42,055 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl' [2019-08-06 16:54:42,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:42,089 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:42,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:42,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:42,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:42,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:42,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:42,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:42,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:42,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:42" (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 16:54:42,205 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:54:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:54:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:54:42,440 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:42,440 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:54:42,443 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:42 BoogieIcfgContainer [2019-08-06 16:54:42,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:42,444 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:42,445 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:42,445 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:42,446 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:42" (1/1) ... [2019-08-06 16:54:42,463 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:54:42,470 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:42,480 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:54:42,493 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:42,494 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:54:42,636 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:42,637 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:42,639 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 32#(and (exists ((v_main_eat_8 Int)) (= main_eat (div v_main_eat_8 2))) (<= 0 main_eat) (<= (div main_init 2) (+ main_eat main_cakeLeft)) (not (<= (div main_init 2) main_cakeLeft))) [2019-08-06 16:54:42,640 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 29#(and (or (not (<= 0 main_eat)) (not (<= (div main_init 2) (+ main_eat main_cakeLeft)))) (or (exists ((v_main_eat_9 Int)) (and (exists ((v_main_eat_8 Int)) (= v_main_eat_9 (div v_main_eat_8 2))) (<= 0 v_main_eat_9) (= main_eat (div v_main_eat_9 2)) (<= (div main_init 2) (+ main_eat v_main_eat_9 main_cakeLeft)))) (and (= main_init main_cakeLeft) (<= 0 main_init) (= main_eat (div main_init 2))))) [2019-08-06 16:54:42,641 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:42,648 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:42,651 INFO L168 Benchmark]: Toolchain (without parser) took 561.49 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 91.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:42,652 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:54:42,653 INFO L168 Benchmark]: Boogie Preprocessor took 45.40 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 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. [2019-08-06 16:54:42,655 INFO L168 Benchmark]: RCFGBuilder took 308.78 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:42,656 INFO L168 Benchmark]: Symbolic Interpretation took 203.94 ms. Allocated memory is still 132.1 MB. Free memory was 97.0 MB in the beginning and 91.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:42,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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: - 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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.40 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 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 308.78 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 203.94 ms. Allocated memory is still 132.1 MB. Free memory was 97.0 MB in the beginning and 91.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...