./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 89df6a30cf262268cfa3c3d97ee091e00dbdebfd3a1559cd061573ba0a1f8e7d --- 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-6b4ec56 [2022-11-20 20:27:50,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:27:50,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:27:50,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:27:50,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:27:50,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:27:50,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:27:50,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:27:50,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:27:50,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:27:50,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:27:50,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:27:50,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:27:50,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:27:50,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:27:50,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:27:50,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:27:50,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:27:50,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:27:50,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:27:50,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:27:50,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:27:50,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:27:50,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:27:50,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:27:50,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:27:50,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:27:50,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:27:50,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:27:50,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:27:50,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:27:50,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:27:50,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:27:50,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:27:50,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:27:50,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:27:50,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:27:50,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:27:50,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:27:50,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:27:50,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:27:50,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:27:50,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:27:50,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:27:50,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:27:50,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:27:50,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:27:50,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:27:50,560 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:27:50,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:27:50,560 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:27:50,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:27:50,561 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:27:50,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:27:50,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:27:50,563 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:27:50,563 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:27:50,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:27:50,564 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:27:50,564 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:27:50,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:27:50,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:27:50,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:27:50,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:27:50,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:27:50,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:27:50,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:27:50,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:27:50,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:27:50,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:27:50,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:27:50,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:27:50,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:27:50,569 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:27:50,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:27:50,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:27:50,570 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:27:50,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:27:50,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:27:50,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:27:50,572 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_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89df6a30cf262268cfa3c3d97ee091e00dbdebfd3a1559cd061573ba0a1f8e7d [2022-11-20 20:27:50,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:27:50,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:27:50,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:27:50,908 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:27:50,908 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:27:50,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i [2022-11-20 20:27:53,993 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:27:54,924 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:27:54,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i [2022-11-20 20:27:55,011 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data/0cfde1666/017828a90c91455e91f8d54005744de9/FLAG472588fa8 [2022-11-20 20:27:55,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data/0cfde1666/017828a90c91455e91f8d54005744de9 [2022-11-20 20:27:55,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:27:55,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:27:55,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:27:55,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:27:55,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:27:55,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:55" (1/1) ... [2022-11-20 20:27:55,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29db51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:55, skipping insertion in model container [2022-11-20 20:27:55,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:55" (1/1) ... [2022-11-20 20:27:55,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:27:55,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:28:00,078 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftLeft(BitabsTranslation.java:148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) 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:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) 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:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) 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:728) 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:1413) 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:1087) 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.visit(CHandler.java:1087) 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:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 20:28:00,088 INFO L158 Benchmark]: Toolchain (without parser) took 5052.83ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 96.1MB in the beginning and 95.5MB in the end (delta: 601.4kB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 20:28:00,089 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:28:00,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5048.84ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 96.1MB in the beginning and 95.5MB in the end (delta: 601.4kB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 20:28:00,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5048.84ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 96.1MB in the beginning and 95.5MB in the end (delta: 601.4kB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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 Retrying with bit-precise analysis ### Bit-precise run ### 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_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 89df6a30cf262268cfa3c3d97ee091e00dbdebfd3a1559cd061573ba0a1f8e7d --- 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-6b4ec56 [2022-11-20 20:28:02,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:28:02,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:28:02,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:28:02,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:28:02,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:28:02,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:28:02,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:28:02,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:28:02,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:28:02,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:28:02,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:28:02,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:28:02,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:28:02,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:28:02,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:28:02,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:28:02,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:28:02,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:28:02,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:28:02,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:28:02,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:28:02,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:28:02,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:28:02,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:28:02,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:28:02,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:28:02,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:28:02,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:28:02,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:28:02,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:28:02,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:28:02,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:28:02,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:28:02,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:28:02,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:28:02,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:28:02,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:28:02,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:28:02,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:28:02,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:28:02,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 20:28:02,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:28:02,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:28:02,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:28:02,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:28:02,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:28:02,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:28:02,593 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:28:02,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:28:02,594 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:28:02,594 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:28:02,595 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:28:02,595 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:28:02,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:28:02,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:28:02,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:28:02,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:28:02,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:28:02,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:28:02,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:28:02,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:28:02,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:28:02,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:28:02,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:28:02,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:28:02,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:28:02,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:28:02,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:28:02,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:28:02,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:28:02,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:28:02,600 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:28:02,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:28:02,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:28:02,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:28:02,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:28:02,601 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_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89df6a30cf262268cfa3c3d97ee091e00dbdebfd3a1559cd061573ba0a1f8e7d [2022-11-20 20:28:03,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:28:03,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:28:03,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:28:03,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:28:03,052 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:28:03,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i [2022-11-20 20:28:06,295 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:28:07,277 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:28:07,277 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--misc--sgi-gru--gru.ko.cil.i [2022-11-20 20:28:07,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data/7c2c038d1/1a8a29f48bbc4c74a006c3c389998980/FLAGfda4a0eb9 [2022-11-20 20:28:07,381 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b52cfc9-fc8f-40e2-9025-dd1520ba3e19/bin/utaipan-6cKwYrpEi9/data/7c2c038d1/1a8a29f48bbc4c74a006c3c389998980 [2022-11-20 20:28:07,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:28:07,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:28:07,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:28:07,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:28:07,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:28:07,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:28:07" (1/1) ... [2022-11-20 20:28:07,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cccc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:28:07, skipping insertion in model container [2022-11-20 20:28:07,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:28:07" (1/1) ... [2022-11-20 20:28:07,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:28:07,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:28:12,209 ERROR L326 MainTranslator]: Unsupported Syntax: conversion to CStruct not implemented. [2022-11-20 20:28:12,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8791656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:28:12, skipping insertion in model container [2022-11-20 20:28:12,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:28:12,211 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 20:28:12,213 INFO L158 Benchmark]: Toolchain (without parser) took 4827.09ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 38.7MB in the beginning and 57.7MB in the end (delta: -18.9MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2022-11-20 20:28:12,214 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:28:12,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4822.49ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 38.5MB in the beginning and 57.7MB in the end (delta: -19.2MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-11-20 20:28:12,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4822.49ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 38.5MB in the beginning and 57.7MB in the end (delta: -19.2MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15575]: Unsupported Syntax conversion to CStruct not implemented. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN