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-b03553c [2019-08-05 18:12:24,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:24,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:24,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:24,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:24,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:24,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:24,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:24,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:24,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:24,103 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:24,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:24,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:24,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:24,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:24,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:24,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:24,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:24,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:24,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:24,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:24,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:24,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:24,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:24,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:24,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:24,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:24,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:24,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:24,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:24,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:24,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:24,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:24,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:24,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:24,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:24,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:24,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:24,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:24,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:24,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:24,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:24,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:24,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:24,183 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:24,183 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:24,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl [2019-08-05 18:12:24,184 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl' [2019-08-05 18:12:24,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:24,217 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:24,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:24,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:24,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:24,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:24,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:24,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:24,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:24,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:24" (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 18:12:24,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:24,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:24,526 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:24,527 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:12:24,528 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:24 BoogieIcfgContainer [2019-08-05 18:12:24,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:24,529 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:24,529 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:24,530 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:24,531 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:24" (1/1) ... [2019-08-05 18:12:24,544 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:12:24,547 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:24,555 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:24,566 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:24,568 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:24,670 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:24,671 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:24,673 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))) [2019-08-05 18:12:24,674 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))))) [2019-08-05 18:12:24,675 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:24,683 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:24,686 INFO L168 Benchmark]: Toolchain (without parser) took 467.37 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 92.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:24,687 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:24,688 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:24,689 INFO L168 Benchmark]: RCFGBuilder took 264.70 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:24,691 INFO L168 Benchmark]: Symbolic Interpretation took 154.14 ms. Allocated memory is still 133.2 MB. Free memory was 98.0 MB in the beginning and 92.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:24,694 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 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.8 MB in the beginning and 110.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 133.2 MB. Free memory was 109.6 MB in the beginning and 107.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.70 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 98.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 154.14 ms. Allocated memory is still 133.2 MB. Free memory was 98.0 MB in the beginning and 92.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...