./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 --- 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 18:59:40,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:59:40,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:59:40,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:59:40,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:59:40,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:59:40,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:59:40,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:59:40,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:59:40,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:59:40,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:59:40,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:59:40,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:59:40,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:59:40,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:59:40,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:59:40,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:59:40,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:59:40,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:59:40,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:59:40,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:59:40,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:59:40,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:59:40,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:59:40,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:59:40,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:59:40,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:59:40,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:59:40,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:59:40,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:59:40,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:59:40,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:59:40,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:59:40,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:59:40,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:59:40,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:59:40,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:59:40,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:59:40,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:59:40,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:59:40,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:59:40,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 18:59:40,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:59:40,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:59:40,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 18:59:40,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 18:59:40,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:59:40,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 18:59:40,473 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 18:59:40,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 18:59:40,473 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 18:59:40,474 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 18:59:40,475 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 18:59:40,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 18:59:40,475 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 18:59:40,476 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 18:59:40,476 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 18:59:40,476 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 18:59:40,476 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 18:59:40,477 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 18:59:40,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:59:40,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:59:40,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:59:40,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:59:40,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:59:40,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:59:40,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:59:40,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:59:40,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:59:40,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:59:40,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 18:59:40,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:59:40,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:59:40,482 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 18:59:40,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:59:40,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:59:40,483 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 18:59:40,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:59:40,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:59:40,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 18:59:40,484 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 [2022-11-20 18:59:40,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:59:40,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:59:40,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:59:40,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:59:40,806 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:59:40,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 18:59:43,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:59:44,976 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:59:44,977 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 18:59:45,067 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data/575f9088b/f5e1ffcea2a3459fad17095af259d6d7/FLAG5cee91001 [2022-11-20 18:59:45,090 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data/575f9088b/f5e1ffcea2a3459fad17095af259d6d7 [2022-11-20 18:59:45,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:59:45,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:59:45,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:59:45,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:59:45,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:59:45,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:45" (1/1) ... [2022-11-20 18:59:45,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7fb8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:45, skipping insertion in model container [2022-11-20 18:59:45,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:45" (1/1) ... [2022-11-20 18:59:45,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:59:45,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:59:46,422 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.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) 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:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 18:59:46,432 INFO L158 Benchmark]: Toolchain (without parser) took 1336.09ms. Allocated memory is still 197.1MB. Free memory was 130.0MB in the beginning and 120.0MB in the end (delta: 10.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-20 18:59:46,433 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 81.9MB in the end (delta: 136.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:59:46,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1331.79ms. Allocated memory is still 197.1MB. Free memory was 129.7MB in the beginning and 120.0MB in the end (delta: 9.7MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-20 18:59:46,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 81.9MB in the end (delta: 136.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1331.79ms. Allocated memory is still 197.1MB. Free memory was 129.7MB in the beginning and 120.0MB in the end (delta: 9.7MB). Peak memory consumption was 49.6MB. 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 --- 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 18:59:48,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:59:48,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:59:48,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:59:48,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:59:48,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:59:48,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:59:48,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:59:48,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:59:48,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:59:48,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:59:48,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:59:48,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:59:48,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:59:48,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:59:48,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:59:48,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:59:48,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:59:48,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:59:48,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:59:48,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:59:48,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:59:48,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:59:48,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:59:48,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:59:48,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:59:48,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:59:48,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:59:48,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:59:48,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:59:48,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:59:48,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:59:48,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:59:48,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:59:48,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:59:48,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:59:48,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:59:48,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:59:48,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:59:48,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:59:48,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:59:48,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 18:59:48,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:59:48,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:59:48,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 18:59:48,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 18:59:48,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:59:48,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 18:59:48,710 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 18:59:48,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 18:59:48,710 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 18:59:48,711 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 18:59:48,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 18:59:48,711 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 18:59:48,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:59:48,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:59:48,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:59:48,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:59:48,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:59:48,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:59:48,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:59:48,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:59:48,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:59:48,715 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:59:48,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:59:48,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:59:48,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 18:59:48,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 18:59:48,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:59:48,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:59:48,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:59:48,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:59:48,717 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:59:48,718 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:59:48,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:59:48,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 18:59:48,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:59:48,719 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 [2022-11-20 18:59:49,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:59:49,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:59:49,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:59:49,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:59:49,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:59:49,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 18:59:52,177 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:59:53,342 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:59:53,342 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 18:59:53,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data/7a4ab05a6/107d85181dc1459493a2cbdec610ca86/FLAG7359627ad [2022-11-20 18:59:53,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/data/7a4ab05a6/107d85181dc1459493a2cbdec610ca86 [2022-11-20 18:59:53,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:59:53,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:59:53,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:59:53,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:59:53,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:59:53,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:53" (1/1) ... [2022-11-20 18:59:53,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd886c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:53, skipping insertion in model container [2022-11-20 18:59:53,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:53" (1/1) ... [2022-11-20 18:59:53,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:59:53,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:00:02,824 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-20 19:00:02,829 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-20 19:00:02,830 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-20 19:00:02,830 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-20 19:00:02,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:00:02,990 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 19:00:03,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:00:04,406 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-20 19:00:04,407 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-20 19:00:04,427 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-20 19:00:04,428 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-20 19:00:04,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:00:04,489 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:00:05,713 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-20 19:00:05,714 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-20 19:00:05,718 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-20 19:00:05,719 WARN L237 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_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-20 19:00:05,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:00:06,178 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:00:06,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06 WrapperNode [2022-11-20 19:00:06,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:00:06,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:00:06,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:00:06,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:00:06,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:06,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:07,279 INFO L138 Inliner]: procedures = 741, calls = 16234, calls flagged for inlining = 402, calls inlined = 353, statements flattened = 27844 [2022-11-20 19:00:07,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:00:07,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:00:07,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:00:07,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:00:07,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:07,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:07,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:07,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:08,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:08,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:08,599 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:08,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:08,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:00:08,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:00:08,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:00:08,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:00:08,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (1/1) ... [2022-11-20 19:00:08,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:00:08,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:00:08,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:00:08,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:00:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 19:00:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 19:00:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-20 19:00:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-20 19:00:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 19:00:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 19:00:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-20 19:00:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-20 19:00:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-20 19:00:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-20 19:00:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 19:00:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 19:00:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-20 19:00:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-20 19:00:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 19:00:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 19:00:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-20 19:00:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-20 19:00:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 19:00:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 19:00:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 19:00:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 19:00:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 19:00:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 19:00:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-20 19:00:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-20 19:00:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 19:00:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 19:00:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-20 19:00:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-20 19:00:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-20 19:00:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-20 19:00:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-20 19:00:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-20 19:00:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 19:00:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 19:00:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 19:00:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 19:00:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 19:00:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 19:00:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-20 19:00:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-20 19:00:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 19:00:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 19:00:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-20 19:00:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-20 19:00:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 19:00:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 19:00:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 19:00:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 19:00:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-20 19:00:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-20 19:00:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-20 19:00:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-20 19:00:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 19:00:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 19:00:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-20 19:00:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-20 19:00:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-20 19:00:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-20 19:00:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 19:00:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 19:00:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-20 19:00:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-20 19:00:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 19:00:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 19:00:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-20 19:00:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-20 19:00:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-20 19:00:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-20 19:00:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 19:00:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 19:00:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 19:00:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 19:00:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 19:00:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 19:00:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 19:00:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 19:00:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 19:00:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 19:00:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 19:00:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 19:00:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 19:00:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 19:00:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 19:00:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 19:00:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:00:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 19:00:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 19:00:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-20 19:00:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-20 19:00:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 19:00:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 19:00:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 19:00:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-20 19:00:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-20 19:00:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-20 19:00:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-20 19:00:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 19:00:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-20 19:00:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-20 19:00:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 19:00:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 19:00:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-20 19:00:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-20 19:00:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 19:00:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 19:00:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-20 19:00:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-20 19:00:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-20 19:00:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-20 19:00:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-20 19:00:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-20 19:00:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 19:00:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 19:00:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 19:00:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 19:00:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-20 19:00:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-20 19:00:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-20 19:00:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-20 19:00:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-20 19:00:08,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-20 19:00:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-20 19:00:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-20 19:00:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-20 19:00:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-20 19:00:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-20 19:00:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-20 19:00:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 19:00:08,903 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 19:00:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-20 19:00:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-20 19:00:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 19:00:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 19:00:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-20 19:00:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-20 19:00:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 19:00:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 19:00:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 19:00:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 19:00:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-20 19:00:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-20 19:00:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 19:00:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 19:00:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-20 19:00:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-20 19:00:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 19:00:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 19:00:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-20 19:00:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-20 19:00:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-20 19:00:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-20 19:00:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 19:00:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 19:00:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-20 19:00:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-20 19:00:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 19:00:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 19:00:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 19:00:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 19:00:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 19:00:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 19:00:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 19:00:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 19:00:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-20 19:00:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-20 19:00:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-20 19:00:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-20 19:00:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 19:00:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 19:00:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 19:00:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 19:00:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 19:00:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 19:00:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-20 19:00:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-20 19:00:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 19:00:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 19:00:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-20 19:00:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-20 19:00:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-20 19:00:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-20 19:00:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:00:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 19:00:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 19:00:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 19:00:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 19:00:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-20 19:00:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-20 19:00:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 19:00:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 19:00:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:00:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 19:00:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 19:00:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 19:00:08,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 19:00:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 19:00:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 19:00:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:00:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-20 19:00:08,914 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-20 19:00:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 19:00:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 19:00:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 19:00:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 19:00:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 19:00:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 19:00:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-20 19:00:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-20 19:00:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 19:00:08,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 19:00:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-20 19:00:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-20 19:00:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-20 19:00:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-20 19:00:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 19:00:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 19:00:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-20 19:00:08,916 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-20 19:00:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-20 19:00:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-20 19:00:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-20 19:00:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-20 19:00:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 19:00:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 19:00:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 19:00:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 19:00:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 19:00:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 19:00:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-20 19:00:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-20 19:00:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 19:00:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 19:00:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-20 19:00:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-20 19:00:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-20 19:00:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-20 19:00:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 19:00:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 19:00:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-20 19:00:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-20 19:00:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-20 19:00:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-20 19:00:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 19:00:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 19:00:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 19:00:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 19:00:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-20 19:00:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-20 19:00:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 19:00:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 19:00:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-20 19:00:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-20 19:00:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 19:00:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 19:00:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 19:00:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 19:00:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-20 19:00:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-20 19:00:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-20 19:00:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-20 19:00:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 19:00:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-20 19:00:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-20 19:00:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-20 19:00:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-20 19:00:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:00:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:00:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-20 19:00:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-20 19:00:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 19:00:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 19:00:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 19:00:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 19:00:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 19:00:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-20 19:00:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-20 19:00:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-20 19:00:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-20 19:00:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 19:00:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 19:00:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-20 19:00:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-20 19:00:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 19:00:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 19:00:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 19:00:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 19:00:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 19:00:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 19:00:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 19:00:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 19:00:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 19:00:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 19:00:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 19:00:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-20 19:00:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-20 19:00:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 19:00:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 19:00:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 19:00:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 19:00:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 19:00:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 19:00:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 19:00:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-20 19:00:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-20 19:00:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 19:00:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 19:00:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 19:00:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 19:00:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 19:00:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 19:00:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-20 19:00:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-20 19:00:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 19:00:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 19:00:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 19:00:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 19:00:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 19:00:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 19:00:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-20 19:00:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-20 19:00:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-20 19:00:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-20 19:00:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-20 19:00:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-20 19:00:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 19:00:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 19:00:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-20 19:00:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-20 19:00:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-20 19:00:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-20 19:00:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-20 19:00:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-20 19:00:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 19:00:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 19:00:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-20 19:00:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-20 19:00:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-20 19:00:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-20 19:00:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 19:00:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 19:00:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 19:00:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 19:00:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 19:00:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 19:00:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 19:00:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 19:00:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:00:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 19:00:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 19:00:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 19:00:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 19:00:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 19:00:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 19:00:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-20 19:00:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-20 19:00:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:00:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 19:00:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 19:00:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 19:00:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 19:00:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-20 19:00:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-20 19:00:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-20 19:00:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-20 19:00:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 19:00:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-20 19:00:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-20 19:00:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-20 19:00:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-20 19:00:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 19:00:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 19:00:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 19:00:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:00:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-20 19:00:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-20 19:00:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-20 19:00:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-20 19:00:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-20 19:00:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-20 19:00:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 19:00:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 19:00:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-20 19:00:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-20 19:00:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 19:00:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 19:00:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 19:00:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 19:00:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-20 19:00:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-20 19:00:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 19:00:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 19:00:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 19:00:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 19:00:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 19:00:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 19:00:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 19:00:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 19:00:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-20 19:00:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-20 19:00:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 19:00:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 19:00:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-20 19:00:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-20 19:00:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-20 19:00:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-20 19:00:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-20 19:00:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-20 19:00:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-20 19:00:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-20 19:00:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-20 19:00:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-20 19:00:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-20 19:00:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-20 19:00:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-20 19:00:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-20 19:00:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-20 19:00:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-20 19:00:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 19:00:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 19:00:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 19:00:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 19:00:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 19:00:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 19:00:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-20 19:00:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-20 19:00:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-20 19:00:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-20 19:00:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-20 19:00:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-20 19:00:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-20 19:00:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-20 19:00:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-20 19:00:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-20 19:00:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 19:00:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 19:00:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 19:00:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 19:00:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 19:00:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 19:00:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-20 19:00:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-20 19:00:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 19:00:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 19:00:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 19:00:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 19:00:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-20 19:00:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-20 19:00:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-20 19:00:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-20 19:00:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_20 [2022-11-20 19:00:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_20 [2022-11-20 19:00:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 19:00:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 19:00:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 19:00:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 19:00:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-20 19:00:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-20 19:00:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 19:00:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 19:00:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-20 19:00:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-20 19:00:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-20 19:00:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-20 19:00:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-20 19:00:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-20 19:00:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 19:00:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 19:00:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-20 19:00:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-20 19:00:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 19:00:08,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 19:00:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 19:00:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 19:00:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-20 19:00:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-20 19:00:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 19:00:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 19:00:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-20 19:00:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-20 19:00:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-20 19:00:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-20 19:00:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-20 19:00:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-20 19:00:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 19:00:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 19:00:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 19:00:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 19:00:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-20 19:00:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-20 19:00:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-20 19:00:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-20 19:00:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-20 19:00:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-20 19:00:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 19:00:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 19:00:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 19:00:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 19:00:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 19:00:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 19:00:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-20 19:00:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-20 19:00:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 19:00:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 19:00:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 19:00:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 19:00:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-20 19:00:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-20 19:00:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 19:00:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 19:00:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 19:00:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 19:00:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-20 19:00:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-20 19:00:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 19:00:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 19:00:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 19:00:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 19:00:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 19:00:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-20 19:00:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-20 19:00:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 19:00:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 19:00:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 19:00:11,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:00:11,532 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:00:32,301 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 19:07:09,032 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 19:07:10,057 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:07:10,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:07:10,112 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 19:07:10,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:07:10 BoogieIcfgContainer [2022-11-20 19:07:10,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:07:10,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:07:10,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:07:10,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:07:10,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:59:53" (1/3) ... [2022-11-20 19:07:10,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c813d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:07:10, skipping insertion in model container [2022-11-20 19:07:10,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:00:06" (2/3) ... [2022-11-20 19:07:10,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c813d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:07:10, skipping insertion in model container [2022-11-20 19:07:10,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:07:10" (3/3) ... [2022-11-20 19:07:10,136 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 19:07:10,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:07:10,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 19:07:10,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:07:10,413 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;@4c774911, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:07:10,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 19:07:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 8092 states, 5678 states have (on average 1.3439591405424445) internal successors, (7631), 5771 states have internal predecessors, (7631), 2170 states have call successors, (2170), 245 states have call predecessors, (2170), 244 states have return successors, (2164), 2156 states have call predecessors, (2164), 2164 states have call successors, (2164) [2022-11-20 19:07:10,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-20 19:07:10,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:07:10,485 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:07:10,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:07:10,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:07:10,492 INFO L85 PathProgramCache]: Analyzing trace with hash -855524172, now seen corresponding path program 1 times [2022-11-20 19:07:10,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:07:10,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300585005] [2022-11-20 19:07:10,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:07:10,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:07:10,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:07:10,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:07:10,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 19:07:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:07:31,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 10490 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:07:31,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:07:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2022-11-20 19:07:32,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:07:32,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:07:32,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300585005] [2022-11-20 19:07:32,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300585005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:07:32,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:07:32,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:07:32,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743782279] [2022-11-20 19:07:32,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:07:32,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:07:32,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:07:32,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:07:32,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:07:32,543 INFO L87 Difference]: Start difference. First operand has 8092 states, 5678 states have (on average 1.3439591405424445) internal successors, (7631), 5771 states have internal predecessors, (7631), 2170 states have call successors, (2170), 245 states have call predecessors, (2170), 244 states have return successors, (2164), 2156 states have call predecessors, (2164), 2164 states have call successors, (2164) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 19:07:34,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:07:35,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:07:35,540 INFO L93 Difference]: Finished difference Result 24030 states and 35824 transitions. [2022-11-20 19:07:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:07:35,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 280 [2022-11-20 19:07:35,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:07:35,777 INFO L225 Difference]: With dead ends: 24030 [2022-11-20 19:07:35,777 INFO L226 Difference]: Without dead ends: 15972 [2022-11-20 19:07:35,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:07:35,895 INFO L413 NwaCegarLoop]: 14016 mSDtfsCounter, 11735 mSDsluCounter, 11826 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11735 SdHoareTripleChecker+Valid, 25842 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 19:07:35,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11735 Valid, 25842 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 19:07:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15972 states. [2022-11-20 19:07:37,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15972 to 15970. [2022-11-20 19:07:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15970 states, 11202 states have (on average 1.3392251383681486) internal successors, (15002), 11383 states have internal predecessors, (15002), 4281 states have call successors, (4281), 486 states have call predecessors, (4281), 485 states have return successors, (4278), 4262 states have call predecessors, (4278), 4278 states have call successors, (4278) [2022-11-20 19:07:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15970 states to 15970 states and 23561 transitions. [2022-11-20 19:07:37,772 INFO L78 Accepts]: Start accepts. Automaton has 15970 states and 23561 transitions. Word has length 280 [2022-11-20 19:07:37,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:07:37,777 INFO L495 AbstractCegarLoop]: Abstraction has 15970 states and 23561 transitions. [2022-11-20 19:07:37,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 19:07:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 15970 states and 23561 transitions. [2022-11-20 19:07:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-20 19:07:37,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:07:37,798 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2022-11-20 19:07:38,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 19:07:38,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:07:38,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:07:38,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:07:38,007 INFO L85 PathProgramCache]: Analyzing trace with hash 332742628, now seen corresponding path program 1 times [2022-11-20 19:07:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:07:38,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370421728] [2022-11-20 19:07:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:07:38,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:07:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:07:38,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:07:38,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 19:07:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:07:58,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 10763 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:07:58,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:07:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2022-11-20 19:07:59,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:07:59,252 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:07:59,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370421728] [2022-11-20 19:07:59,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370421728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:07:59,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:07:59,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:07:59,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249785632] [2022-11-20 19:07:59,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:07:59,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:07:59,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:07:59,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:07:59,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:07:59,257 INFO L87 Difference]: Start difference. First operand 15970 states and 23561 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 19:08:00,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:08:02,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:08:02,681 INFO L93 Difference]: Finished difference Result 37541 states and 55393 transitions. [2022-11-20 19:08:02,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:08:02,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 309 [2022-11-20 19:08:02,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:08:02,929 INFO L225 Difference]: With dead ends: 37541 [2022-11-20 19:08:02,929 INFO L226 Difference]: Without dead ends: 21622 [2022-11-20 19:08:03,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:08:03,070 INFO L413 NwaCegarLoop]: 14071 mSDtfsCounter, 10028 mSDsluCounter, 11792 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10028 SdHoareTripleChecker+Valid, 25863 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 19:08:03,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10028 Valid, 25863 Invalid, 92 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 19:08:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21622 states. [2022-11-20 19:08:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21622 to 21615. [2022-11-20 19:08:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21615 states, 15105 states have (on average 1.3347236014564714) internal successors, (20161), 15349 states have internal predecessors, (20161), 5855 states have call successors, (5855), 655 states have call predecessors, (5855), 653 states have return successors, (5852), 5825 states have call predecessors, (5852), 5852 states have call successors, (5852) [2022-11-20 19:08:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21615 states to 21615 states and 31868 transitions. [2022-11-20 19:08:05,525 INFO L78 Accepts]: Start accepts. Automaton has 21615 states and 31868 transitions. Word has length 309 [2022-11-20 19:08:05,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:08:05,528 INFO L495 AbstractCegarLoop]: Abstraction has 21615 states and 31868 transitions. [2022-11-20 19:08:05,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 19:08:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 21615 states and 31868 transitions. [2022-11-20 19:08:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-20 19:08:05,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:08:05,547 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2022-11-20 19:08:05,762 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-11-20 19:08:05,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:08:05,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:08:05,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:08:05,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:08:05,795 INFO L85 PathProgramCache]: Analyzing trace with hash 895879006, now seen corresponding path program 1 times [2022-11-20 19:08:05,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:08:05,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228101502] [2022-11-20 19:08:05,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:08:05,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:08:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:08:05,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:08:05,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 19:08:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:08:26,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:08:26,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:08:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 2505 trivial. 0 not checked. [2022-11-20 19:08:26,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:08:26,801 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:08:26,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228101502] [2022-11-20 19:08:26,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228101502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:08:26,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:08:26,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:08:26,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067858379] [2022-11-20 19:08:26,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:08:26,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:08:26,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:08:26,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:08:26,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:08:26,804 INFO L87 Difference]: Start difference. First operand 21615 states and 31868 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 19:08:28,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:08:30,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:08:30,445 INFO L93 Difference]: Finished difference Result 51113 states and 75374 transitions. [2022-11-20 19:08:30,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:08:30,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 338 [2022-11-20 19:08:30,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:08:30,804 INFO L225 Difference]: With dead ends: 51113 [2022-11-20 19:08:30,804 INFO L226 Difference]: Without dead ends: 36297 [2022-11-20 19:08:30,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:08:30,934 INFO L413 NwaCegarLoop]: 21687 mSDtfsCounter, 11691 mSDsluCounter, 11836 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11691 SdHoareTripleChecker+Valid, 33523 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 19:08:30,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11691 Valid, 33523 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 19:08:30,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36297 states. [2022-11-20 19:08:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36297 to 36295. [2022-11-20 19:08:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36295 states, 25384 states have (on average 1.3356051055783171) internal successors, (33903), 25791 states have internal predecessors, (33903), 9811 states have call successors, (9811), 1100 states have call predecessors, (9811), 1098 states have return successors, (9808), 9766 states have call predecessors, (9808), 9808 states have call successors, (9808) [2022-11-20 19:08:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36295 states to 36295 states and 53522 transitions. [2022-11-20 19:08:35,018 INFO L78 Accepts]: Start accepts. Automaton has 36295 states and 53522 transitions. Word has length 338 [2022-11-20 19:08:35,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:08:35,019 INFO L495 AbstractCegarLoop]: Abstraction has 36295 states and 53522 transitions. [2022-11-20 19:08:35,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 19:08:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 36295 states and 53522 transitions. [2022-11-20 19:08:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-20 19:08:35,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:08:35,036 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2022-11-20 19:08:35,265 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-11-20 19:08:35,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:08:35,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:08:35,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:08:35,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:08:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 761865500, now seen corresponding path program 1 times [2022-11-20 19:08:35,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:08:35,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499578689] [2022-11-20 19:08:35,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:08:35,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:08:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:08:35,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:08:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 19:08:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:08:56,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:08:56,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:08:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2022-11-20 19:08:59,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:08:59,961 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:08:59,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499578689] [2022-11-20 19:08:59,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499578689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:08:59,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:08:59,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:08:59,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979744515] [2022-11-20 19:08:59,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:08:59,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:08:59,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:08:59,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:08:59,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:08:59,964 INFO L87 Difference]: Start difference. First operand 36295 states and 53522 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 19:09:01,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:09:04,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:09:04,097 INFO L93 Difference]: Finished difference Result 36295 states and 53522 transitions. [2022-11-20 19:09:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:09:04,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 338 [2022-11-20 19:09:04,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:09:04,405 INFO L225 Difference]: With dead ends: 36295 [2022-11-20 19:09:04,405 INFO L226 Difference]: Without dead ends: 36264 [2022-11-20 19:09:04,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:09:04,457 INFO L413 NwaCegarLoop]: 11859 mSDtfsCounter, 11729 mSDsluCounter, 11859 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11729 SdHoareTripleChecker+Valid, 23718 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:09:04,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11729 Valid, 23718 Invalid, 4 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 19:09:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36264 states. [2022-11-20 19:09:08,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36264 to 36264. [2022-11-20 19:09:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36264 states, 25370 states have (on average 1.3355538037051635) internal successors, (33883), 25771 states have internal predecessors, (33883), 9796 states have call successors, (9796), 1097 states have call predecessors, (9796), 1097 states have return successors, (9796), 9758 states have call predecessors, (9796), 9796 states have call successors, (9796) [2022-11-20 19:09:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36264 states to 36264 states and 53475 transitions. [2022-11-20 19:09:08,815 INFO L78 Accepts]: Start accepts. Automaton has 36264 states and 53475 transitions. Word has length 338 [2022-11-20 19:09:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:09:08,816 INFO L495 AbstractCegarLoop]: Abstraction has 36264 states and 53475 transitions. [2022-11-20 19:09:08,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 19:09:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 36264 states and 53475 transitions. [2022-11-20 19:09:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-20 19:09:08,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:09:08,877 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 5, 5, 5, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2022-11-20 19:09:09,102 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-11-20 19:09:09,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 19:09:09,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:09:09,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:09:09,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:09:09,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1611969876, now seen corresponding path program 1 times [2022-11-20 19:09:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:09:09,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154450721] [2022-11-20 19:09:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:09:09,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:09:09,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:09:09,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:09:09,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 19:09:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:09:31,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 10906 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:09:31,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:09:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 2433 trivial. 0 not checked. [2022-11-20 19:09:31,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:09:31,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:09:31,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154450721] [2022-11-20 19:09:31,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154450721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:09:31,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:09:31,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:09:31,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541871929] [2022-11-20 19:09:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:09:31,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:09:31,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:09:31,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:09:31,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:09:31,808 INFO L87 Difference]: Start difference. First operand 36264 states and 53475 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 19:09:33,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:09:36,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:09:36,361 INFO L93 Difference]: Finished difference Result 79284 states and 116932 transitions. [2022-11-20 19:09:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:09:36,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 375 [2022-11-20 19:09:36,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:09:36,940 INFO L225 Difference]: With dead ends: 79284 [2022-11-20 19:09:36,940 INFO L226 Difference]: Without dead ends: 49819 [2022-11-20 19:09:37,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:09:37,197 INFO L413 NwaCegarLoop]: 21815 mSDtfsCounter, 9981 mSDsluCounter, 11762 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9981 SdHoareTripleChecker+Valid, 33577 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:09:37,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9981 Valid, 33577 Invalid, 88 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 19:09:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49819 states. [2022-11-20 19:09:41,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49819 to 49818. [2022-11-20 19:09:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49818 states, 34829 states have (on average 1.3347784891900427) internal successors, (46489), 35379 states have internal predecessors, (46489), 13482 states have call successors, (13482), 1506 states have call predecessors, (13482), 1506 states have return successors, (13482), 13429 states have call predecessors, (13482), 13482 states have call successors, (13482) [2022-11-20 19:09:42,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49818 states to 49818 states and 73453 transitions. [2022-11-20 19:09:42,564 INFO L78 Accepts]: Start accepts. Automaton has 49818 states and 73453 transitions. Word has length 375 [2022-11-20 19:09:42,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:09:42,565 INFO L495 AbstractCegarLoop]: Abstraction has 49818 states and 73453 transitions. [2022-11-20 19:09:42,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 19:09:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 49818 states and 73453 transitions. [2022-11-20 19:09:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-20 19:09:42,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:09:42,726 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 23, 23, 23, 23, 23, 23, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1] [2022-11-20 19:09:42,942 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-11-20 19:09:42,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 19:09:42,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:09:42,976 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:09:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:09:42,977 INFO L85 PathProgramCache]: Analyzing trace with hash 584247096, now seen corresponding path program 1 times [2022-11-20 19:09:43,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:09:43,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642073437] [2022-11-20 19:09:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:09:43,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:09:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:09:43,005 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:09:43,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 19:10:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:10:05,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 11046 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 19:10:05,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:10:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2918 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2022-11-20 19:10:05,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:10:05,860 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:10:05,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642073437] [2022-11-20 19:10:05,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642073437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:10:05,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:10:05,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:10:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104541725] [2022-11-20 19:10:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:10:05,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:10:05,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:10:05,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:10:05,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:10:05,863 INFO L87 Difference]: Start difference. First operand 49818 states and 73453 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 19:10:07,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:10:11,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:10:11,269 INFO L93 Difference]: Finished difference Result 106386 states and 156874 transitions. [2022-11-20 19:10:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:10:11,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 449 [2022-11-20 19:10:11,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:10:11,841 INFO L225 Difference]: With dead ends: 106386 [2022-11-20 19:10:11,841 INFO L226 Difference]: Without dead ends: 63367 [2022-11-20 19:10:12,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:10:12,132 INFO L413 NwaCegarLoop]: 21837 mSDtfsCounter, 9998 mSDsluCounter, 11769 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9998 SdHoareTripleChecker+Valid, 33606 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 19:10:12,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9998 Valid, 33606 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 19:10:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63367 states. [2022-11-20 19:10:17,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63367 to 63366. [2022-11-20 19:10:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63366 states, 44282 states have (on average 1.334379657648706) internal successors, (59089), 44981 states have internal predecessors, (59089), 17168 states have call successors, (17168), 1915 states have call predecessors, (17168), 1915 states have return successors, (17168), 17100 states have call predecessors, (17168), 17168 states have call successors, (17168) [2022-11-20 19:10:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63366 states to 63366 states and 93425 transitions. [2022-11-20 19:10:18,480 INFO L78 Accepts]: Start accepts. Automaton has 63366 states and 93425 transitions. Word has length 449 [2022-11-20 19:10:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:10:18,481 INFO L495 AbstractCegarLoop]: Abstraction has 63366 states and 93425 transitions. [2022-11-20 19:10:18,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 19:10:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 63366 states and 93425 transitions. [2022-11-20 19:10:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-20 19:10:19,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:10:19,130 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 23, 23, 23, 23, 23, 23, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1] [2022-11-20 19:10:19,350 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-11-20 19:10:19,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 19:10:19,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:10:19,369 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:10:19,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:10:19,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1028147770, now seen corresponding path program 1 times [2022-11-20 19:10:19,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:10:19,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709267120] [2022-11-20 19:10:19,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:10:19,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:10:19,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:10:19,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:10:19,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ebc97e-d85d-443f-b30f-53f9f58c0b3f/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 19:10:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:10:42,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 11046 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:10:42,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:10:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2022-11-20 19:10:47,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:10:47,439 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:10:47,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709267120] [2022-11-20 19:10:47,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709267120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:10:47,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:10:47,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:10:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905806215] [2022-11-20 19:10:47,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:10:47,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:10:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:10:47,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:10:47,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:10:47,443 INFO L87 Difference]: Start difference. First operand 63366 states and 93425 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-11-20 19:10:48,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []