./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.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_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/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_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/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_65968c50-b623-417c-8f58-35254ed1a150/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 eae1dfb46ee1f740f68b388e2be7b7a6c6f089e3 ........................................................................................................................................................................ 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_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/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_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/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_65968c50-b623-417c-8f58-35254ed1a150/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 eae1dfb46ee1f740f68b388e2be7b7a6c6f089e3 ..................................................................................................................................................................... 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 07:01:34,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:01:34,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:01:34,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:01:34,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:01:34,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:01:34,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:01:34,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:01:34,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:01:34,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:01:34,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:01:34,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:01:34,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:01:34,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:01:34,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:01:34,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:01:34,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:01:34,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:01:34,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:01:34,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:01:34,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:01:34,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:01:34,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:01:34,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:01:34,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:01:34,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:01:34,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:01:34,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:01:34,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:01:34,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:01:34,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:01:34,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:01:34,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:01:34,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:01:34,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:01:34,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:01:34,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:01:34,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:01:34,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:01:34,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:01:34,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:01:34,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:01:34,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:01:34,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:01:34,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:01:34,818 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:01:34,818 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:01:34,818 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:01:34,818 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:01:34,819 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:01:34,819 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:01:34,819 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:01:34,819 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:01:34,820 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:01:34,820 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:01:34,820 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:01:34,820 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:01:34,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:01:34,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:01:34,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:01:34,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:01:34,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:01:34,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:01:34,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:01:34,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:01:34,824 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:01:34,824 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:01:34,824 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:01:34,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:01:34,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:01:34,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:01:34,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:01:34,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:01:34,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:01:34,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:34,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:01:34,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:01:34,830 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:01:34,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:01:34,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:01:34,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:01:34,832 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_65968c50-b623-417c-8f58-35254ed1a150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae1dfb46ee1f740f68b388e2be7b7a6c6f089e3 [2021-10-13 07:01:35,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:01:35,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:01:35,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:01:35,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:01:35,163 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:01:35,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2021-10-13 07:01:35,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/67aae6855/1daf7d6806fb4d99b3d9ae02d71cb259/FLAG42c8466ec [2021-10-13 07:01:35,823 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:01:35,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2021-10-13 07:01:35,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/67aae6855/1daf7d6806fb4d99b3d9ae02d71cb259/FLAG42c8466ec [2021-10-13 07:01:36,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/67aae6855/1daf7d6806fb4d99b3d9ae02d71cb259 [2021-10-13 07:01:36,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:01:36,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:01:36,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:36,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:01:36,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:01:36,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:36" (1/1) ... [2021-10-13 07:01:36,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4d5dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:36, skipping insertion in model container [2021-10-13 07:01:36,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:36" (1/1) ... [2021-10-13 07:01:36,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:01:36,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:01:36,310 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:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) 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 07:01:36,320 INFO L168 Benchmark]: Toolchain (without parser) took 198.21 ms. Allocated memory is still 96.5 MB. Free memory was 72.3 MB in the beginning and 64.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:36,321 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:01:36,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.60 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 64.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:36,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 195.60 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 64.8 MB in the end (delta: 7.2 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:01:38,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:01:38,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:01:38,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:01:38,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:01:38,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:01:38,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:01:38,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:01:38,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:01:38,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:01:38,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:01:38,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:01:38,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:01:38,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:01:38,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:01:38,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:01:38,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:01:38,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:01:38,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:01:38,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:01:38,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:01:38,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:01:38,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:01:38,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:01:38,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:01:38,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:01:38,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:01:38,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:01:38,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:01:38,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:01:38,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:01:38,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:01:38,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:01:38,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:01:38,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:01:38,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:01:38,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:01:38,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:01:38,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:01:38,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:01:38,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:01:38,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:01:39,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:01:39,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:01:39,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:01:39,030 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:01:39,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:01:39,030 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:01:39,031 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:01:39,031 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:01:39,031 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:01:39,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:01:39,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:01:39,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:01:39,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:01:39,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:01:39,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:01:39,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:01:39,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:01:39,036 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:01:39,036 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:01:39,036 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:01:39,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:01:39,037 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:01:39,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:01:39,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:01:39,038 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:01:39,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:01:39,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:01:39,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:01:39,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:01:39,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:39,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:01:39,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:01:39,040 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:01:39,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:01:39,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:01:39,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:01:39,041 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_65968c50-b623-417c-8f58-35254ed1a150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae1dfb46ee1f740f68b388e2be7b7a6c6f089e3 [2021-10-13 07:01:39,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:01:39,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:01:39,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:01:39,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:01:39,479 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:01:39,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2021-10-13 07:01:39,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/4dc7b4d6c/be82bd5f522945c4ba7bd4df642c3e8c/FLAG7b0232406 [2021-10-13 07:01:40,112 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:01:40,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2021-10-13 07:01:40,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/4dc7b4d6c/be82bd5f522945c4ba7bd4df642c3e8c/FLAG7b0232406 [2021-10-13 07:01:40,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65968c50-b623-417c-8f58-35254ed1a150/bin/utaipan-q2qaUkNPG8/data/4dc7b4d6c/be82bd5f522945c4ba7bd4df642c3e8c [2021-10-13 07:01:40,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:01:40,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:01:40,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:40,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:01:40,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:01:40,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:40" (1/1) ... [2021-10-13 07:01:40,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba8bdce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:40, skipping insertion in model container [2021-10-13 07:01:40,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:40" (1/1) ... [2021-10-13 07:01:40,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:01:40,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:01:40,637 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:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) 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 07:01:40,647 INFO L168 Benchmark]: Toolchain (without parser) took 183.72 ms. Allocated memory is still 67.1 MB. Free memory was 47.1 MB in the beginning and 39.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:40,648 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 67.1 MB. Free memory is still 48.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:01:40,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.49 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 39.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:40,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 67.1 MB. Free memory is still 48.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 181.49 ms. Allocated memory is still 67.1 MB. Free memory was 47.0 MB in the beginning and 39.7 MB in the end (delta: 7.3 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...