/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 11:44:47,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 11:44:47,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 11:44:47,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 11:44:47,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 11:44:47,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 11:44:47,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 11:44:47,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 11:44:47,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 11:44:47,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 11:44:47,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 11:44:47,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 11:44:47,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 11:44:47,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 11:44:47,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 11:44:47,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 11:44:47,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 11:44:47,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 11:44:47,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 11:44:47,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 11:44:47,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 11:44:47,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 11:44:47,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 11:44:47,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 11:44:47,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 11:44:47,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 11:44:47,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 11:44:47,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 11:44:47,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 11:44:47,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 11:44:47,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 11:44:47,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 11:44:47,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 11:44:47,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 11:44:47,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 11:44:47,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 11:44:47,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 11:44:47,556 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 11:44:47,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 11:44:47,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 11:44:47,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 11:44:47,562 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 11:44:47,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 11:44:47,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 11:44:47,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 11:44:47,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 11:44:47,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 11:44:47,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 11:44:47,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 11:44:47,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 11:44:47,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 11:44:47,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 11:44:47,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 11:44:47,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 11:44:47,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 11:44:47,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 11:44:47,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 11:44:47,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 11:44:47,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 11:44:47,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 11:44:47,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 11:44:47,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 11:44:47,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 11:44:48,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 11:44:48,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 11:44:48,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 11:44:48,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 11:44:48,067 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 11:44:48,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i [2020-12-22 11:44:48,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d197af95/f3475be171ce414b8d75a34466d4055b/FLAG8f9cefd1a [2020-12-22 11:44:49,335 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 11:44:49,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i [2020-12-22 11:44:49,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d197af95/f3475be171ce414b8d75a34466d4055b/FLAG8f9cefd1a [2020-12-22 11:44:49,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d197af95/f3475be171ce414b8d75a34466d4055b [2020-12-22 11:44:49,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 11:44:49,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 11:44:49,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 11:44:49,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 11:44:49,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 11:44:49,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:44:49" (1/1) ... [2020-12-22 11:44:49,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408dfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:44:49, skipping insertion in model container [2020-12-22 11:44:49,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:44:49" (1/1) ... [2020-12-22 11:44:49,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 11:44:49,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 11:44:50,311 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2020-12-22 11:44:50,327 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2020-12-22 11:44:50,356 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:44:50,365 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:44:51,437 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,439 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,440 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,441 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,442 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,478 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,479 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,482 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,483 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,485 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,487 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,488 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,488 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:51,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:44:51,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:44:51,911 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:44:51,913 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:44:51,915 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:44:51,916 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:44:51,920 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:44:51,925 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:44:51,927 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:44:51,927 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:44:52,196 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:44:52,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:44:52,268 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 11:44:52,308 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2020-12-22 11:44:52,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2020-12-22 11:44:52,318 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-22 11:44:52,321 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-22 11:44:52,433 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,435 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,435 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,437 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,438 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,455 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,461 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,465 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,465 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,467 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,471 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,471 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,472 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-22 11:44:52,571 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-22 11:44:52,572 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-22 11:44:52,573 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-22 11:44:52,574 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-22 11:44:52,579 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-22 11:44:52,580 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-22 11:44:52,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-22 11:44:52,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-22 11:44:52,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-22 11:44:52,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-22 11:44:52,633 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-22 11:44:52,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 11:44:52,694 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type mismatch (real != int) in at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckAssignStatement(TypeCheckHelper.java:289) at de.uni_freiburg.informatik.ultimate.boogie.StatementFactory.constructAssignmentStatement(StatementFactory.java:70) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.constructMemsetLoopBody(MemoryHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.declareMemset(MemoryHandler.java:1745) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.declareMemoryModelInfrastructure(MemoryHandler.java:505) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:619) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-22 11:44:52,714 INFO L168 Benchmark]: Toolchain (without parser) took 2913.05 ms. Allocated memory is still 159.4 MB. Free memory was 127.8 MB in the beginning and 91.4 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. [2020-12-22 11:44:52,715 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 11:44:52,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2906.94 ms. Allocated memory is still 159.4 MB. Free memory was 127.7 MB in the beginning and 91.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. [2020-12-22 11:44:52,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2906.94 ms. Allocated memory is still 159.4 MB. Free memory was 127.7 MB in the beginning and 91.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type mismatch (real != int) in de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type mismatch (real != int) in : de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...