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/GeometricalCake.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:49,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:49,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:49,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:49,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:49,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:49,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:49,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:49,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:49,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:49,234 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:49,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:49,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:49,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:49,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:49,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:49,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:49,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:49,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:49,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:49,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:49,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:49,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:49,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:49,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:49,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:49,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:49,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:49,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:49,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:49,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:49,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:49,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:49,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:49,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:49,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:49,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:49,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:49,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:49,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:49,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:49,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:49,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:49,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:49,337 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:49,338 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:49,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalCake.bpl [2019-08-04 21:58:49,339 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalCake.bpl' [2019-08-04 21:58:49,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:49,366 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:49,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:49,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:49,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:49,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:49,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:49,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:49,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:49,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalCake.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 21:58:49,480 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:49,731 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:49,731 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:49,733 INFO L202 PluginConnector]: Adding new model GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:49 BoogieIcfgContainer [2019-08-04 21:58:49,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:49,733 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:49,733 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:49,734 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:49,740 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:49" (1/1) ... [2019-08-04 21:58:49,752 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:49,757 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:49,768 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:49,779 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:49,780 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:50,006 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-08-04 21:58:50,131 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-08-04 21:58:50,259 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2019-08-04 21:58:50,295 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:50,295 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:50,299 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 22#(not (<= 0.0 main_cakeLeft)) [2019-08-04 21:58:50,307 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:50,309 INFO L168 Benchmark]: Toolchain (without parser) took 942.26 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 86.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:50,310 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 141.0 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:50,312 INFO L168 Benchmark]: Boogie Preprocessor took 40.91 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:50,313 INFO L168 Benchmark]: RCFGBuilder took 324.84 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 99.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:50,314 INFO L168 Benchmark]: Symbolic Interpretation took 573.51 ms. Allocated memory is still 141.0 MB. Free memory was 99.6 MB in the beginning and 86.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:50,318 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 21]: 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 0.15 ms. Allocated memory is still 141.0 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.91 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.84 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 99.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 573.51 ms. Allocated memory is still 141.0 MB. Free memory was 99.6 MB in the beginning and 86.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...