./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta --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 549c0f0e85f506f59a54b746c0743ded562d36f784f1b0fcb4bf7d5e1672332d --- 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-dbf71c6-m [2022-10-17 17:43:08,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:43:08,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:43:08,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:43:08,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:43:08,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:43:08,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:43:08,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:43:08,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:43:08,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:43:08,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:43:08,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:43:08,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:43:08,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:43:08,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:43:08,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:43:08,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:43:08,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:43:08,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:43:08,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:43:08,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:43:08,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:43:08,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:43:08,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:43:08,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:43:08,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:43:08,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:43:08,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:43:08,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:43:08,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:43:08,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:43:08,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:43:08,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:43:08,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:43:08,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:43:08,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:43:08,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:43:08,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:43:08,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:43:08,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:43:08,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:43:08,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:43:08,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:43:08,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:43:08,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:43:08,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:43:08,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:43:08,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:43:08,852 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:43:08,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:43:08,852 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:43:08,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:43:08,854 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:43:08,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:43:08,854 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:43:08,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:43:08,855 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:43:08,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:43:08,855 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:43:08,855 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:43:08,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:43:08,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:43:08,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:43:08,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:43:08,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:43:08,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:43:08,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:43:08,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:43:08,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:43:08,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:43:08,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:43:08,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:08,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:43:08,859 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:43:08,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:43:08,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:43:08,860 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:43:08,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:43:08,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:43:08,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:43:08,861 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_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549c0f0e85f506f59a54b746c0743ded562d36f784f1b0fcb4bf7d5e1672332d [2022-10-17 17:43:09,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:43:09,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:43:09,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:43:09,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:43:09,223 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:43:09,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2022-10-17 17:43:09,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/4706c0168/a750f62fcd774330b9be2a14f0562705/FLAG940b2980b [2022-10-17 17:43:10,164 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:43:10,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2022-10-17 17:43:10,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/4706c0168/a750f62fcd774330b9be2a14f0562705/FLAG940b2980b [2022-10-17 17:43:10,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/4706c0168/a750f62fcd774330b9be2a14f0562705 [2022-10-17 17:43:10,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:43:10,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:43:10,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:10,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:43:10,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:43:10,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709868b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10, skipping insertion in model container [2022-10-17 17:43:10,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:43:10,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:43:11,715 WARN L230 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_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i[160575,160588] [2022-10-17 17:43:12,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:12,482 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:43:12,678 WARN L230 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_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i[160575,160588] [2022-10-17 17:43:12,768 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: cr = (unsigned int )cr & 243U [6660] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) 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:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) 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.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 17:43:12,774 INFO L158 Benchmark]: Toolchain (without parser) took 2117.56ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 47.7MB in the beginning and 90.5MB in the end (delta: -42.8MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2022-10-17 17:43:12,775 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:43:12,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2114.08ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 47.5MB in the beginning and 90.5MB in the end (delta: -43.0MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2022-10-17 17:43:12,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2114.08ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 47.5MB in the beginning and 90.5MB in the end (delta: -43.0MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cr = (unsigned int )cr & 243U [6660] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cr = (unsigned int )cr & 243U [6660]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta --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 549c0f0e85f506f59a54b746c0743ded562d36f784f1b0fcb4bf7d5e1672332d --- 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-dbf71c6-m [2022-10-17 17:43:15,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:43:15,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:43:15,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:43:15,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:43:15,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:43:15,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:43:15,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:43:15,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:43:15,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:43:15,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:43:15,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:43:15,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:43:15,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:43:15,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:43:15,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:43:15,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:43:15,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:43:15,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:43:15,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:43:15,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:43:15,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:43:15,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:43:15,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:43:15,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:43:15,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:43:15,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:43:15,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:43:15,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:43:15,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:43:15,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:43:15,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:43:15,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:43:15,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:43:15,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:43:15,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:43:15,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:43:15,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:43:15,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:43:15,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:43:15,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:43:15,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-10-17 17:43:15,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:43:15,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:43:15,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:43:15,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:43:15,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:43:15,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:43:15,133 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:43:15,133 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:43:15,133 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:43:15,133 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:43:15,133 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:43:15,133 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:43:15,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:43:15,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:43:15,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:43:15,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:43:15,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:43:15,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:43:15,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:43:15,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:15,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:43:15,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:43:15,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:43:15,137 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:43:15,137 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:43:15,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:43:15,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:43:15,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:43:15,137 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_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549c0f0e85f506f59a54b746c0743ded562d36f784f1b0fcb4bf7d5e1672332d [2022-10-17 17:43:15,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:43:15,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:43:15,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:43:15,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:43:15,531 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:43:15,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2022-10-17 17:43:15,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/348243861/a68772b9e2304690b3b9f30d0a14518c/FLAG2c7f42a88 [2022-10-17 17:43:16,491 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:43:16,492 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2022-10-17 17:43:16,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/348243861/a68772b9e2304690b3b9f30d0a14518c/FLAG2c7f42a88 [2022-10-17 17:43:16,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/data/348243861/a68772b9e2304690b3b9f30d0a14518c [2022-10-17 17:43:16,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:43:16,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:43:16,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:16,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:43:16,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:43:16,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:16" (1/1) ... [2022-10-17 17:43:16,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fddc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:16, skipping insertion in model container [2022-10-17 17:43:16,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:16" (1/1) ... [2022-10-17 17:43:16,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:43:17,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:43:17,922 WARN L230 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_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i[160575,160588] [2022-10-17 17:43:18,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:18,511 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 17:43:18,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:43:18,682 WARN L230 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_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i[160575,160588] [2022-10-17 17:43:18,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:18,899 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:43:19,089 WARN L230 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_f64c1514-0a9e-4fea-939a-862054ce9094/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i[160575,160588] [2022-10-17 17:43:19,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:19,403 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:43:19,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19 WrapperNode [2022-10-17 17:43:19,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:19,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:19,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:43:19,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:43:19,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,628 INFO L138 Inliner]: procedures = 212, calls = 1031, calls flagged for inlining = 87, calls inlined = 80, statements flattened = 2343 [2022-10-17 17:43:19,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:19,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:43:19,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:43:19,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:43:19,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,793 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:43:19,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:43:19,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:43:19,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:43:19,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (1/1) ... [2022-10-17 17:43:19,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:19,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:43:19,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:43:19,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 17:43:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 17:43:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 17:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 17:43:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 17:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-10-17 17:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:43:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-10-17 17:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:43:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:43:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 17:43:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 17:43:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 17:43:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 17:43:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 17:43:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 17:43:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:43:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:43:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure pull_skb [2022-10-17 17:43:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pull_skb [2022-10-17 17:43:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-17 17:43:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-17 17:43:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure free_skb_pool [2022-10-17 17:43:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure free_skb_pool [2022-10-17 17:43:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 17:43:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 17:43:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:43:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:43:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-17 17:43:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-17 17:43:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-17 17:43:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-17 17:43:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-10-17 17:43:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-10-17 17:43:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 17:43:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 17:43:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:43:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:43:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 17:43:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 17:43:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 17:43:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 17:43:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:43:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure fill_skb_pool [2022-10-17 17:43:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_skb_pool [2022-10-17 17:43:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 17:43:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 17:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:43:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-17 17:43:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-17 17:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 17:43:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 17:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 17:43:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 17:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_mac_address [2022-10-17 17:43:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_mac_address [2022-10-17 17:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-10-17 17:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 17:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-10-17 17:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:43:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-10-17 17:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 17:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-10-17 17:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_set_multicast [2022-10-17 17:43:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_set_multicast [2022-10-17 17:43:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-10-17 17:43:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-10-17 17:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:43:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-10-17 17:43:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-10-17 17:43:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 17:43:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 17:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-17 17:43:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-17 17:43:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 17:43:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 17:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urbs [2022-10-17 17:43:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urbs [2022-10-17 17:43:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2022-10-17 17:43:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2022-10-17 17:43:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-17 17:43:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-17 17:43:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:43:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:43:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_tx_timeout [2022-10-17 17:43:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_tx_timeout [2022-10-17 17:43:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 17:43:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 17:43:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_ioctl [2022-10-17 17:43:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_ioctl [2022-10-17 17:43:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:43:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:43:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-17 17:43:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-17 17:43:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 17:43:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 17:43:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:43:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:43:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 17:43:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 17:43:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:43:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:43:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_reset [2022-10-17 17:43:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_reset [2022-10-17 17:43:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-10-17 17:43:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-10-17 17:43:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-10-17 17:43:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-10-17 17:43:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:43:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:43:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8150_disconnect [2022-10-17 17:43:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8150_disconnect [2022-10-17 17:43:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:43:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2022-10-17 17:43:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2022-10-17 17:43:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:43:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:43:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-10-17 17:43:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-10-17 17:43:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-10-17 17:43:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-17 17:43:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-17 17:43:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-17 17:43:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-17 17:43:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 17:43:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 17:43:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-10-17 17:43:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-10-17 17:43:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 17:43:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 17:43:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-10-17 17:43:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-10-17 17:43:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-10-17 17:43:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:43:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:43:20,716 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:43:20,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:43:21,000 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:43:41,393 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:43:41,416 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:43:41,416 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:43:41,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:43:41 BoogieIcfgContainer [2022-10-17 17:43:41,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:43:41,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:43:41,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:43:41,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:43:41,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:43:16" (1/3) ... [2022-10-17 17:43:41,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa06f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:43:41, skipping insertion in model container [2022-10-17 17:43:41,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:19" (2/3) ... [2022-10-17 17:43:41,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa06f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:43:41, skipping insertion in model container [2022-10-17 17:43:41,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:43:41" (3/3) ... [2022-10-17 17:43:41,434 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--rtl8150.ko-entry_point.cil.out.i [2022-10-17 17:43:41,455 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:43:41,456 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:43:41,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:43:41,545 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f82c99b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:43:41,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:43:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 849 states, 605 states have (on average 1.3305785123966942) internal successors, (805), 621 states have internal predecessors, (805), 188 states have call successors, (188), 55 states have call predecessors, (188), 54 states have return successors, (183), 181 states have call predecessors, (183), 183 states have call successors, (183) [2022-10-17 17:43:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:43:41,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:43:41,583 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:43:41,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:43:41,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:43:41,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1627128050, now seen corresponding path program 1 times [2022-10-17 17:43:41,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-10-17 17:43:41,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122897854] [2022-10-17 17:43:41,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:43:41,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 17:43:41,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat [2022-10-17 17:43:41,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 17:43:41,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-10-17 17:43:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:43:42,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:43:42,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:43:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:43:42,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 17:43:42,627 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-10-17 17:43:42,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122897854] [2022-10-17 17:43:42,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122897854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:43:42,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:43:42,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:43:42,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144395628] [2022-10-17 17:43:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:43:42,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:43:42,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-10-17 17:43:42,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:43:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:43:42,669 INFO L87 Difference]: Start difference. First operand has 849 states, 605 states have (on average 1.3305785123966942) internal successors, (805), 621 states have internal predecessors, (805), 188 states have call successors, (188), 55 states have call predecessors, (188), 54 states have return successors, (183), 181 states have call predecessors, (183), 183 states have call successors, (183) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-17 17:43:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:43:42,866 INFO L93 Difference]: Finished difference Result 1694 states and 2383 transitions. [2022-10-17 17:43:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:43:42,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2022-10-17 17:43:42,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:43:42,911 INFO L225 Difference]: With dead ends: 1694 [2022-10-17 17:43:42,911 INFO L226 Difference]: Without dead ends: 838 [2022-10-17 17:43:42,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:43:42,931 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 0 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:43:42,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2328 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 17:43:42,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-10-17 17:43:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2022-10-17 17:43:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 601 states have (on average 1.3094841930116472) internal successors, (787), 610 states have internal predecessors, (787), 183 states have call successors, (183), 54 states have call predecessors, (183), 53 states have return successors, (182), 180 states have call predecessors, (182), 182 states have call successors, (182) [2022-10-17 17:43:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1152 transitions. [2022-10-17 17:43:43,103 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1152 transitions. Word has length 56 [2022-10-17 17:43:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:43:43,105 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1152 transitions. [2022-10-17 17:43:43,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-17 17:43:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1152 transitions. [2022-10-17 17:43:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:43:43,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:43:43,114 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:43:43,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-10-17 17:43:43,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 [2022-10-17 17:43:43,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:43:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:43:43,330 INFO L85 PathProgramCache]: Analyzing trace with hash -847093427, now seen corresponding path program 1 times [2022-10-17 17:43:43,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-10-17 17:43:43,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391013657] [2022-10-17 17:43:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:43:43,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 17:43:43,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat [2022-10-17 17:43:43,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 17:43:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-10-17 17:43:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:43:44,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:43:44,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:43:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:43:44,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 17:43:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:43:44,564 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-10-17 17:43:44,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391013657] [2022-10-17 17:43:44,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391013657] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 17:43:44,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [880216338] [2022-10-17 17:43:44,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:43:44,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-10-17 17:43:44,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/cvc4 [2022-10-17 17:43:44,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-10-17 17:43:44,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f64c1514-0a9e-4fea-939a-862054ce9094/bin/utaipan-G1rejxKTta/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process