./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 08:17:42,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:17:42,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:17:42,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:17:42,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:17:42,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:17:42,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:17:42,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:17:42,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:17:42,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:17:42,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:17:42,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:17:42,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:17:42,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:17:42,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:17:42,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:17:42,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:17:42,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:17:42,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:17:42,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:17:42,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:17:42,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:17:42,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:17:42,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:17:42,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:17:42,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:17:42,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:17:42,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:17:42,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:17:42,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:17:42,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:17:42,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:17:42,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:17:42,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:17:42,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:17:42,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:17:42,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:17:42,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:17:42,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:17:42,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:17:42,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:17:42,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-16 08:17:42,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:17:42,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:17:42,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:17:42,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:17:42,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:17:42,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:17:42,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:17:42,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:17:42,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:17:42,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:17:42,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:17:42,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:17:42,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:17:42,232 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 08:17:42,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:17:42,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:17:42,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:17:42,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:17:42,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:17:42,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:17:42,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:17:42,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:17:42,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:17:42,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:17:42,235 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:17:42,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:17:42,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:17:42,235 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-16 08:17:42,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:17:42,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:17:42,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:17:42,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:17:42,571 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:17:42,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-16 08:17:42,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/data/a3ba48fc7/ace4b86e3d0742a0a63ec2942def9648/FLAG1cb915526 [2022-11-16 08:17:43,636 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:17:43,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-16 08:17:43,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/data/a3ba48fc7/ace4b86e3d0742a0a63ec2942def9648/FLAG1cb915526 [2022-11-16 08:17:44,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/data/a3ba48fc7/ace4b86e3d0742a0a63ec2942def9648 [2022-11-16 08:17:44,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:17:44,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:17:44,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:17:44,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:17:44,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:17:44,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:17:44" (1/1) ... [2022-11-16 08:17:44,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f28d407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:17:44, skipping insertion in model container [2022-11-16 08:17:44,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:17:44" (1/1) ... [2022-11-16 08:17:44,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:17:44,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:17:46,713 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-16 08:17:46,715 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: result.lrVal has to be either HeapLValue or LocalLValue at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ArrayHandler.handleArraySubscriptExpression(ArrayHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:713) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:288) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2043) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1085) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1474) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-11-16 08:17:46,725 INFO L158 Benchmark]: Toolchain (without parser) took 2636.70ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 55.2MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 08:17:46,727 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:17:46,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2634.46ms. Allocated memory is still 111.1MB. Free memory was 83.6MB in the beginning and 55.2MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 08:17:46,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 111.1MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2634.46ms. Allocated memory is still 111.1MB. Free memory was 83.6MB in the beginning and 55.2MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ArrayHandler.handleArraySubscriptExpression(ArrayHandler.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a7e585-49cf-4e3a-b09b-63995d8c806a/bin/ukojak-CydTVMUXoH/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: result.lrVal has to be either HeapLValue or LocalLValue