./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2187ad12904216f135de1d4e0a00e45b56b4da69 ........................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2187ad12904216f135de1d4e0a00e45b56b4da69 ..................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:34,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:34,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:34,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:34,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:34,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:34,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:34,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:34,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:34,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:34,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:34,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:34,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:34,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:34,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:34,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:34,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:34,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:34,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:34,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:34,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:34,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:34,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:34,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:34,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:34,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:34,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:34,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:34,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:34,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:34,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:34,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:34,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:34,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:34,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:34,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:34,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:34,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:34,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:34,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:34,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:34,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 06:58:34,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:34,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:34,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:34,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:34,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:34,902 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:34,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:58:34,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:34,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:34,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:58:34,904 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:58:34,904 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:34,905 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:58:34,905 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:58:34,905 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:58:34,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:58:34,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:58:34,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:34,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:34,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:58:34,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:34,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:34,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:34,908 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:58:34,908 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:58:34,908 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:58:34,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:34,910 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:34,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:34,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:34,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:34,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:34,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:34,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:34,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:34,913 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:58:34,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:58:34,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:34,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:34,913 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2187ad12904216f135de1d4e0a00e45b56b4da69 [2021-10-13 06:58:35,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:35,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:35,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:35,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:35,340 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:35,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2021-10-13 06:58:35,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/1a6d0e70c/c52b2eee5fb7452084bb14139cf4841d/FLAGd50fce633 [2021-10-13 06:58:35,966 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:35,969 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2021-10-13 06:58:35,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/1a6d0e70c/c52b2eee5fb7452084bb14139cf4841d/FLAGd50fce633 [2021-10-13 06:58:36,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/1a6d0e70c/c52b2eee5fb7452084bb14139cf4841d [2021-10-13 06:58:36,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:36,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:36,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:36,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:36,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:36,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:36" (1/1) ... [2021-10-13 06:58:36,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16611386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:36, skipping insertion in model container [2021-10-13 06:58:36,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:36" (1/1) ... [2021-10-13 06:58:36,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:36,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:36,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield reference at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:712) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2021-10-13 06:58:36,559 INFO L168 Benchmark]: Toolchain (without parser) took 236.06 ms. Allocated memory is still 94.4 MB. Free memory was 52.9 MB in the beginning and 70.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:36,560 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:36,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.35 ms. Allocated memory is still 94.4 MB. Free memory was 52.8 MB in the beginning and 70.6 MB in the end (delta: -17.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:36,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 231.35 ms. Allocated memory is still 94.4 MB. Free memory was 52.8 MB in the beginning and 70.6 MB in the end (delta: -17.8 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:141) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:39,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:39,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:39,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:39,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:39,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:39,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:39,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:39,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:39,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:39,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:39,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:39,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:39,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:39,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:39,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:39,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:39,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:39,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:39,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:39,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:39,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:39,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:39,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:39,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:39,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:39,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:39,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:39,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:39,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:39,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:39,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:39,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:39,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:39,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:39,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:39,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:39,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:39,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:39,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:39,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:39,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 06:58:39,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:39,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:39,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:39,242 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:39,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:39,243 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:39,243 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:39,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:39,243 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:39,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:58:39,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:58:39,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:39,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:39,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:58:39,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:39,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:39,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:39,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:58:39,248 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:58:39,248 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 06:58:39,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:39,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:39,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:58:39,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:58:39,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:39,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:39,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:39,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:58:39,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:39,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:39,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:39,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:39,251 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:58:39,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:39,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:39,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:39,252 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2187ad12904216f135de1d4e0a00e45b56b4da69 [2021-10-13 06:58:39,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:39,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:39,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:39,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:39,654 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:39,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2021-10-13 06:58:39,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/23303234d/8fdab87c743a4588983b96f2d56ba794/FLAGc4917cc96 [2021-10-13 06:58:40,393 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:40,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2021-10-13 06:58:40,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/23303234d/8fdab87c743a4588983b96f2d56ba794/FLAGc4917cc96 [2021-10-13 06:58:40,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_254df62c-bf18-40ac-89ed-c6cae4076ee3/bin/utaipan-q2qaUkNPG8/data/23303234d/8fdab87c743a4588983b96f2d56ba794 [2021-10-13 06:58:40,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:40,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:40,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:40,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:40,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:40,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:40" (1/1) ... [2021-10-13 06:58:40,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1522e9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:40, skipping insertion in model container [2021-10-13 06:58:40,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:40" (1/1) ... [2021-10-13 06:58:40,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:40,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:40,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield reference at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:712) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2021-10-13 06:58:40,623 INFO L168 Benchmark]: Toolchain (without parser) took 201.52 ms. Allocated memory is still 60.8 MB. Free memory was 39.5 MB in the beginning and 31.9 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:40,624 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:40,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.03 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 31.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:40,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 199.03 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 31.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:141) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...