java -Xmx2000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-sorted_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b3d2c8a [2018-05-08 17:03:04,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-05-08 17:03:04,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-05-08 17:03:04,387 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-05-08 17:03:04,388 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-05-08 17:03:04,389 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-05-08 17:03:04,390 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-05-08 17:03:04,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-05-08 17:03:04,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-05-08 17:03:04,404 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-05-08 17:03:04,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-05-08 17:03:04,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-05-08 17:03:04,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-05-08 17:03:04,410 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-05-08 17:03:04,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-05-08 17:03:04,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-05-08 17:03:04,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-05-08 17:03:04,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-05-08 17:03:04,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-05-08 17:03:04,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-05-08 17:03:04,451 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-05-08 17:03:04,451 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-05-08 17:03:04,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-05-08 17:03:04,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-05-08 17:03:04,461 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-05-08 17:03:04,462 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-05-08 17:03:04,462 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-05-08 17:03:04,468 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-05-08 17:03:04,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-05-08 17:03:04,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-05-08 17:03:04,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-05-08 17:03:04,470 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-05-08 17:03:04,519 INFO L110 SettingsManager]: Loading preferences was successful [2018-05-08 17:03:04,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-05-08 17:03:04,522 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-05-08 17:03:04,523 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-05-08 17:03:04,523 INFO L133 SettingsManager]: * Use SBE=true [2018-05-08 17:03:04,523 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-05-08 17:03:04,523 INFO L133 SettingsManager]: * sizeof long=4 [2018-05-08 17:03:04,524 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-05-08 17:03:04,524 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-05-08 17:03:04,524 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-05-08 17:03:04,524 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-05-08 17:03:04,524 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-05-08 17:03:04,525 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-05-08 17:03:04,533 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-05-08 17:03:04,533 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-05-08 17:03:04,533 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-05-08 17:03:04,534 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-05-08 17:03:04,534 INFO L133 SettingsManager]: * sizeof long double=12 [2018-05-08 17:03:04,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-05-08 17:03:04,534 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-05-08 17:03:04,535 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-05-08 17:03:04,535 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-05-08 17:03:04,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-05-08 17:03:04,535 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-05-08 17:03:04,535 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-05-08 17:03:04,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-05-08 17:03:04,536 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-05-08 17:03:04,536 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-05-08 17:03:04,536 INFO L133 SettingsManager]: * Command for external solver=cvc4 --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-05-08 17:03:04,537 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-05-08 17:03:04,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-05-08 17:03:04,672 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-05-08 17:03:04,677 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-05-08 17:03:04,684 INFO L271 PluginConnector]: Initializing CDTParser... [2018-05-08 17:03:04,685 INFO L276 PluginConnector]: CDTParser initialized [2018-05-08 17:03:04,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-sorted_true-unreach-call_true-valid-memsafety.i [2018-05-08 17:03:05,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0c178bd/9c2a69616b754bca92c515e92c35c6c3/FLAG7eabf7f47 [2018-05-08 17:03:05,937 INFO L276 CDTParser]: Found 1 translation units. [2018-05-08 17:03:05,938 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/forester-heap/sll-sorted_true-unreach-call_true-valid-memsafety.i [2018-05-08 17:03:06,003 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0c178bd/9c2a69616b754bca92c515e92c35c6c3/FLAG7eabf7f47 [2018-05-08 17:03:06,041 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0c178bd/9c2a69616b754bca92c515e92c35c6c3 [2018-05-08 17:03:06,068 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-05-08 17:03:06,077 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-05-08 17:03:06,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-05-08 17:03:06,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-05-08 17:03:06,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-05-08 17:03:06,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 05:03:06" (1/1) ... [2018-05-08 17:03:06,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27342fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:03:06, skipping insertion in model container [2018-05-08 17:03:06,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 05:03:06" (1/1) ... [2018-05-08 17:03:06,152 INFO L167 Dispatcher]: Using SV-COMP mode [2018-05-08 17:03:06,267 INFO L167 Dispatcher]: Using SV-COMP mode [2018-05-08 17:03:06,829 INFO L175 PostProcessor]: Settings: Checked method=main [2018-05-08 17:03:07,026 INFO L175 PostProcessor]: Settings: Checked method=main [2018-05-08 17:03:07,054 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-05-08 17:03:07,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:03:07 WrapperNode [2018-05-08 17:03:07,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-05-08 17:03:07,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-05-08 17:03:07,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-05-08 17:03:07,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-05-08 17:03:07,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:03:07" (1/1) ... [2018-05-08 17:03:07,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:03:07" (1/1) ... [2018-05-08 17:03:07,284 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,292 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,292 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,292 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,293 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,293 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,293 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,293 ERROR L1069 TypeChecker]: : Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] [2018-05-08 17:03:07,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:03:07" (1/1) ... [2018-05-08 17:03:07,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 05:03:07" (1/1) ... [2018-05-08 17:03:07,347 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.IllegalArgumentException: The expression #sizeOfWrittenType has a null type! at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandExpression(StructExpander.java:493) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpressions(StructExpander.java:610) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpression(BoogieTransformer.java:690) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:466) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandExpression(StructExpander.java:498) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpressions(StructExpander.java:610) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpression(BoogieTransformer.java:690) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:466) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpression(BoogieTransformer.java:652) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:466) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processExpression(BoogieTransformer.java:652) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.processExpression(StructExpander.java:466) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processSpecification(BoogieTransformer.java:534) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processSpecifications(BoogieTransformer.java:564) at de.uni_freiburg.informatik.ultimate.boogie.BoogieTransformer.processDeclaration(BoogieTransformer.java:150) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandDeclaration(StructExpander.java:811) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.process(StructExpander.java:340) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-05-08 17:03:07,354 INFO L168 Benchmark]: Toolchain (without parser) took 1286.02 ms. Allocated memory is still 383.3 MB. Free memory was 327.6 MB in the beginning and 294.6 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 1.9 GB. [2018-05-08 17:03:07,356 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 383.3 MB. Free memory is still 349.9 MB. There was no memory consumed. Max. memory is 1.9 GB. [2018-05-08 17:03:07,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1120.35 ms. Allocated memory is still 383.3 MB. Free memory was 327.6 MB in the beginning and 297.8 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 1.9 GB. [2018-05-08 17:03:07,358 INFO L168 Benchmark]: Boogie Preprocessor took 144.14 ms. Allocated memory is still 383.3 MB. Free memory was 297.8 MB in the beginning and 294.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 1.9 GB. [2018-05-08 17:03:07,360 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 383.3 MB. Free memory is still 349.9 MB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 1120.35 ms. Allocated memory is still 383.3 MB. Free memory was 327.6 MB in the beginning and 297.8 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 144.14 ms. Allocated memory is still 383.3 MB. Free memory was 297.8 MB in the beginning and 294.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 1.9 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfWrittenType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - TypeErrorResult [Line: -1]: Type Error Undeclared function ~bvadd-2 in FunctionApplication[~bvadd-2,[IdentifierExpression[#sizeOfReadType,],StructAccessExpression[IdentifierExpression[#ptr,],offset]]] - ExceptionOrErrorResult: IllegalArgumentException: The expression #sizeOfWrittenType has a null type! de.uni_freiburg.informatik.ultimate.boogie.preprocessor: IllegalArgumentException: The expression #sizeOfWrittenType has a null type!: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.StructExpander.expandExpression(StructExpander.java:493) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...