./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a --- 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-38b53e6 [2022-11-25 17:01:36,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:01:36,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:01:36,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:01:36,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:01:36,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:01:36,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:01:36,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:01:36,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:01:36,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:01:36,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:01:36,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:01:36,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:01:36,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:01:36,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:01:36,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:01:36,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:01:36,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:01:36,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:01:36,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:01:36,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:01:36,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:01:36,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:01:36,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:01:36,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:01:36,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:01:36,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:01:36,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:01:36,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:01:36,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:01:36,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:01:36,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:01:36,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:01:36,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:01:36,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:01:36,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:01:36,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:01:36,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:01:36,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:01:36,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:01:36,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:01:36,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:01:36,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:01:36,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:01:36,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:01:36,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:01:36,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:01:36,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:01:36,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:01:36,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:01:36,551 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:01:36,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:01:36,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:01:36,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:01:36,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:01:36,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:01:36,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:01:36,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:01:36,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:01:36,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:01:36,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:01:36,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:01:36,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:01:36,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:36,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:01:36,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:01:36,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:01:36,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:01:36,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:01:36,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:01:36,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:01:36,558 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:01:36,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:01:36,558 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32187ad6a98dd17c1b18f8e1b845f566cde13ca56738d1b8876a5b9bb005af7a [2022-11-25 17:01:36,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:01:36,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:01:36,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:01:36,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:01:36,940 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:01:36,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-11-25 17:01:40,319 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:01:41,353 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:01:41,353 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-11-25 17:01:41,475 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/data/54dff89db/8dae4e3e998a43d09b8fc0120027493a/FLAGcaa39bbbb [2022-11-25 17:01:41,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/data/54dff89db/8dae4e3e998a43d09b8fc0120027493a [2022-11-25 17:01:41,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:01:41,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:01:41,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:41,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:01:41,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:01:41,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:41" (1/1) ... [2022-11-25 17:01:41,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea27ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:41, skipping insertion in model container [2022-11-25 17:01:41,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:41" (1/1) ... [2022-11-25 17:01:41,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:01:41,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:01:43,234 WARN L623 FunctionHandler]: Unknown extern function register_nfs_version [2022-11-25 17:01:43,246 WARN L623 FunctionHandler]: Unknown extern function unregister_nfs_version [2022-11-25 17:01:48,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:01:48,967 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:01:49,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:01:49,206 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:01:49,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,467 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,468 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,469 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,473 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,477 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,499 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,499 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,516 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,517 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,517 WARN L623 FunctionHandler]: Unknown extern function nfs_setattr_update_inode [2022-11-25 17:01:49,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,536 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,537 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,551 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,567 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,579 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:01:49,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,595 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,596 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:49,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,613 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,614 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,614 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,615 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:49,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,631 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,632 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,656 WARN L623 FunctionHandler]: Unknown extern function rpc_call_start [2022-11-25 17:01:49,688 WARN L623 FunctionHandler]: Unknown extern function rpc_call_start [2022-11-25 17:01:49,713 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,715 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,729 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,730 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_fhandle [2022-11-25 17:01:49,731 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_fattr [2022-11-25 17:01:49,731 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,732 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:49,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,747 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,748 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:49,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,770 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,789 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,790 WARN L623 FunctionHandler]: Unknown extern function nfs_invalidate_atime [2022-11-25 17:01:49,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,804 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,804 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,819 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:49,819 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:49,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:49,844 WARN L623 FunctionHandler]: Unknown extern function nfs_invalidate_atime [2022-11-25 17:01:49,845 WARN L623 FunctionHandler]: Unknown extern function nfs_refresh_inode [2022-11-25 17:01:49,869 WARN L623 FunctionHandler]: Unknown extern function rpc_call_start [2022-11-25 17:01:49,881 WARN L623 FunctionHandler]: Unknown extern function nfs_post_op_update_inode_force_wcc [2022-11-25 17:01:49,924 WARN L623 FunctionHandler]: Unknown extern function nlmclnt_proc [2022-11-25 17:01:49,961 WARN L623 FunctionHandler]: Unknown extern function nfs_wb_all [2022-11-25 17:01:49,965 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:49,966 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:49,966 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:49,968 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:49,968 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:49,970 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:49,970 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:49,972 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:49,972 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:49,975 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:49,978 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:49,982 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:49,983 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:49,983 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:49,985 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:49,986 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:49,987 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:49,987 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:49,989 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:49,990 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:49,992 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:49,997 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,001 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,002 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,003 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,004 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,005 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,006 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,007 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,014 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,015 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,018 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,020 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,022 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,023 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,024 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,026 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,026 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,034 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,036 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,038 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,039 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,041 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,043 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,045 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,046 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,046 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,048 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,049 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,050 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,052 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,053 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,054 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,056 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,058 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,060 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,060 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,061 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,063 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,064 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,065 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,066 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,067 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,070 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,072 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,073 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,075 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,076 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,076 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,086 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,088 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,093 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,094 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,095 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,096 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,098 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,100 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,102 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,105 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,105 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,113 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,114 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,114 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,115 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,116 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,117 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,118 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,120 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,122 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,122 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,123 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,124 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,124 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,125 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,127 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,128 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,128 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,131 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,133 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,134 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,135 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,136 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,137 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,137 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,139 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,139 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,140 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,141 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,142 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,144 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,145 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,146 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,146 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,148 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,148 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,149 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,150 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,151 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,151 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,153 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,154 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,156 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:50,157 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:50,157 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:50,161 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:50,161 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:50,162 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:50,163 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:50,164 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:50,164 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:50,166 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:50,167 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:50,168 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:01:50,443 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_pages [2022-11-25 17:01:50,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,464 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,465 WARN L623 FunctionHandler]: Unknown extern function xdr_read_pages [2022-11-25 17:01:50,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,478 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,502 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,512 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,557 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,559 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-25 17:01:50,559 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-25 17:01:50,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,587 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,588 WARN L623 FunctionHandler]: Unknown extern function from_kuid [2022-11-25 17:01:50,589 WARN L623 FunctionHandler]: Unknown extern function from_kgid [2022-11-25 17:01:50,603 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:01:50,604 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,605 WARN L623 FunctionHandler]: Unknown extern function xdr_encode_opaque [2022-11-25 17:01:50,616 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,617 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,630 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,631 WARN L623 FunctionHandler]: Unknown extern function xdr_write_pages [2022-11-25 17:01:50,642 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,643 WARN L623 FunctionHandler]: Unknown extern function xdr_read_pages [2022-11-25 17:01:50,644 WARN L623 FunctionHandler]: Unknown extern function xdr_terminate_string [2022-11-25 17:01:50,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:50,753 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,779 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,780 WARN L623 FunctionHandler]: Unknown extern function xdr_write_pages [2022-11-25 17:01:50,860 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:50,939 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,940 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,941 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,942 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,953 WARN L623 FunctionHandler]: Unknown extern function xdr_read_pages [2022-11-25 17:01:50,976 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:50,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:52,166 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:01:52,696 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 17:01:54,231 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2022-11-25 17:01:54,236 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2022-11-25 17:01:54,237 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2022-11-25 17:01:54,237 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2022-11-25 17:01:54,238 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2022-11-25 17:01:54,238 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2022-11-25 17:01:54,239 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2022-11-25 17:01:54,239 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2022-11-25 17:01:54,240 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2022-11-25 17:01:54,240 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2022-11-25 17:01:54,241 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2022-11-25 17:01:54,241 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2022-11-25 17:01:54,242 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2022-11-25 17:01:54,242 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2022-11-25 17:01:54,243 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2022-11-25 17:01:54,243 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2022-11-25 17:01:54,244 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2022-11-25 17:01:54,244 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2022-11-25 17:01:54,245 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2022-11-25 17:01:54,245 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2022-11-25 17:01:54,246 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2022-11-25 17:01:54,246 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2022-11-25 17:01:54,246 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2022-11-25 17:01:54,247 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2022-11-25 17:01:54,248 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2022-11-25 17:01:54,248 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2022-11-25 17:01:54,249 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2022-11-25 17:01:54,249 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2022-11-25 17:01:54,250 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2022-11-25 17:01:54,250 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2022-11-25 17:01:54,250 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2022-11-25 17:01:54,251 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2022-11-25 17:01:54,251 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2022-11-25 17:01:54,252 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2022-11-25 17:01:54,252 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2022-11-25 17:01:54,253 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2022-11-25 17:01:54,253 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2022-11-25 17:01:54,254 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2022-11-25 17:01:54,254 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2022-11-25 17:01:54,255 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2022-11-25 17:01:54,255 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2022-11-25 17:01:54,255 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2022-11-25 17:01:54,256 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2022-11-25 17:01:54,256 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2022-11-25 17:01:54,257 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2022-11-25 17:01:54,257 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2022-11-25 17:01:54,258 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2022-11-25 17:01:54,258 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2022-11-25 17:01:54,259 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2022-11-25 17:01:54,259 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2022-11-25 17:01:54,260 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2022-11-25 17:01:54,260 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2022-11-25 17:01:54,261 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2022-11-25 17:01:54,261 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2022-11-25 17:01:54,261 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2022-11-25 17:01:54,262 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2022-11-25 17:01:54,262 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2022-11-25 17:01:54,263 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2022-11-25 17:01:54,263 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2022-11-25 17:01:54,264 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2022-11-25 17:01:54,264 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2022-11-25 17:01:54,265 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2022-11-25 17:01:54,265 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2022-11-25 17:01:54,266 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2022-11-25 17:01:54,266 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2022-11-25 17:01:54,267 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2022-11-25 17:01:54,267 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2022-11-25 17:01:54,268 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2022-11-25 17:01:54,268 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2022-11-25 17:01:54,269 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2022-11-25 17:01:54,269 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2022-11-25 17:01:54,270 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2022-11-25 17:01:54,270 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2022-11-25 17:01:54,271 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2022-11-25 17:01:54,271 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2022-11-25 17:01:54,272 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2022-11-25 17:01:54,272 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2022-11-25 17:01:54,273 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2022-11-25 17:01:54,273 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2022-11-25 17:01:54,274 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2022-11-25 17:01:54,274 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2022-11-25 17:01:54,275 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2022-11-25 17:01:54,275 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2022-11-25 17:01:54,276 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2022-11-25 17:01:54,276 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2022-11-25 17:01:54,276 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2022-11-25 17:01:54,277 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2022-11-25 17:01:54,277 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2022-11-25 17:01:54,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:54,332 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:01:54,475 WARN L623 FunctionHandler]: Unknown extern function register_nfs_version [2022-11-25 17:01:54,475 WARN L623 FunctionHandler]: Unknown extern function unregister_nfs_version [2022-11-25 17:01:54,768 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:01:54,769 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:01:54,776 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:01:54,776 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:01:54,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,780 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,780 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,783 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,789 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,790 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,795 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,795 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,800 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,801 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,801 WARN L623 FunctionHandler]: Unknown extern function nfs_setattr_update_inode [2022-11-25 17:01:54,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,804 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,804 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,807 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,809 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,809 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:01:54,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,814 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,814 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:54,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,819 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,819 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,820 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,820 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:54,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,823 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,825 WARN L623 FunctionHandler]: Unknown extern function rpc_call_start [2022-11-25 17:01:54,827 WARN L623 FunctionHandler]: Unknown extern function rpc_call_start [2022-11-25 17:01:54,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,829 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,835 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_fhandle [2022-11-25 17:01:54,835 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_fattr [2022-11-25 17:01:54,836 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,836 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:54,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,839 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,839 WARN L623 FunctionHandler]: Unknown extern function nfs_instantiate [2022-11-25 17:01:54,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,847 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,853 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,854 WARN L623 FunctionHandler]: Unknown extern function nfs_invalidate_atime [2022-11-25 17:01:54,854 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,856 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,858 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,866 WARN L623 FunctionHandler]: Unknown extern function nfs_fattr_init [2022-11-25 17:01:54,866 WARN L623 FunctionHandler]: Unknown extern function rpc_call_sync [2022-11-25 17:01:54,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,868 WARN L623 FunctionHandler]: Unknown extern function nfs_invalidate_atime [2022-11-25 17:01:54,868 WARN L623 FunctionHandler]: Unknown extern function nfs_refresh_inode [2022-11-25 17:01:54,870 WARN L623 FunctionHandler]: Unknown extern function rpc_call_start [2022-11-25 17:01:54,870 WARN L623 FunctionHandler]: Unknown extern function nfs_post_op_update_inode_force_wcc [2022-11-25 17:01:54,872 WARN L623 FunctionHandler]: Unknown extern function nlmclnt_proc [2022-11-25 17:01:54,873 WARN L623 FunctionHandler]: Unknown extern function nfs_wb_all [2022-11-25 17:01:54,877 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,877 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,878 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,878 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,879 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,880 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,880 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,881 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,881 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,882 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,883 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,885 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,885 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,886 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,887 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,887 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,888 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,888 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,889 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,889 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,891 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,892 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,893 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,894 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,895 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,895 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,896 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,896 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,897 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,897 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,898 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,899 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,900 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,902 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,902 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,903 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,904 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,904 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,905 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,905 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,906 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,907 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,908 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,910 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,911 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,911 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,912 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,912 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,913 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,913 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,914 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,915 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,915 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,916 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,918 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,919 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,919 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,920 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,921 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,921 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,922 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,922 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,923 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,923 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,925 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,926 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,927 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,928 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,928 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,929 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,929 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,930 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,930 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,931 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,931 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,933 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,934 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,935 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,936 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,936 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,937 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,937 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,938 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,938 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,939 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,939 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,941 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,942 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,943 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,944 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,944 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,945 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,945 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,946 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,946 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,947 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,947 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,949 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,950 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,951 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,952 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,952 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,953 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,953 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,954 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,954 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,955 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,956 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,957 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,958 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,959 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,959 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,960 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,961 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,961 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,962 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,962 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,963 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,963 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,965 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,966 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,967 WARN L623 FunctionHandler]: Unknown extern function nfs_submount [2022-11-25 17:01:54,968 WARN L623 FunctionHandler]: Unknown extern function nfs_try_mount [2022-11-25 17:01:54,968 WARN L623 FunctionHandler]: Unknown extern function nfs_rmdir [2022-11-25 17:01:54,970 WARN L623 FunctionHandler]: Unknown extern function nfs_clone_server [2022-11-25 17:01:54,970 WARN L623 FunctionHandler]: Unknown extern function nfs_close_context [2022-11-25 17:01:54,971 WARN L623 FunctionHandler]: Unknown extern function nfs_create_server [2022-11-25 17:01:54,971 WARN L623 FunctionHandler]: Unknown extern function nfs_free_client [2022-11-25 17:01:54,972 WARN L623 FunctionHandler]: Unknown extern function nfs_alloc_client [2022-11-25 17:01:54,972 WARN L623 FunctionHandler]: Unknown extern function nfs_init_client [2022-11-25 17:01:54,974 WARN L623 FunctionHandler]: Unknown extern function nfs_permission [2022-11-25 17:01:54,975 WARN L623 FunctionHandler]: Unknown extern function nfs_rename [2022-11-25 17:01:54,975 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:01:54,982 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_pages [2022-11-25 17:01:54,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,984 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:54,984 WARN L623 FunctionHandler]: Unknown extern function xdr_read_pages [2022-11-25 17:01:54,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,986 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:54,987 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:54,988 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:54,991 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:54,992 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-25 17:01:54,993 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-25 17:01:54,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:54,997 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:54,998 WARN L623 FunctionHandler]: Unknown extern function from_kuid [2022-11-25 17:01:54,999 WARN L623 FunctionHandler]: Unknown extern function from_kgid [2022-11-25 17:01:55,001 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:01:55,002 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:55,002 WARN L623 FunctionHandler]: Unknown extern function xdr_encode_opaque [2022-11-25 17:01:55,003 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,003 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:55,005 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:55,005 WARN L623 FunctionHandler]: Unknown extern function xdr_write_pages [2022-11-25 17:01:55,006 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,006 WARN L623 FunctionHandler]: Unknown extern function xdr_read_pages [2022-11-25 17:01:55,007 WARN L623 FunctionHandler]: Unknown extern function xdr_terminate_string [2022-11-25 17:01:55,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:55,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:55,012 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:55,013 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:55,014 WARN L623 FunctionHandler]: Unknown extern function xdr_write_pages [2022-11-25 17:01:55,016 WARN L623 FunctionHandler]: Unknown extern function xdr_reserve_space [2022-11-25 17:01:55,019 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,020 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,021 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,022 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,023 WARN L623 FunctionHandler]: Unknown extern function xdr_read_pages [2022-11-25 17:01:55,024 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 17:01:55,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:01:55,068 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:01:55,080 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 17:01:55,115 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177218,1177231] [2022-11-25 17:01:55,116 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177363,1177376] [2022-11-25 17:01:55,116 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177509,1177522] [2022-11-25 17:01:55,118 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177674,1177687] [2022-11-25 17:01:55,118 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177832,1177845] [2022-11-25 17:01:55,119 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1177990,1178003] [2022-11-25 17:01:55,119 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178148,1178161] [2022-11-25 17:01:55,119 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178308,1178321] [2022-11-25 17:01:55,120 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178467,1178480] [2022-11-25 17:01:55,120 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178606,1178619] [2022-11-25 17:01:55,121 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178748,1178761] [2022-11-25 17:01:55,121 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1178897,1178910] [2022-11-25 17:01:55,122 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179036,1179049] [2022-11-25 17:01:55,127 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179191,1179204] [2022-11-25 17:01:55,127 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179351,1179364] [2022-11-25 17:01:55,128 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179502,1179515] [2022-11-25 17:01:55,128 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179653,1179666] [2022-11-25 17:01:55,129 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179805,1179818] [2022-11-25 17:01:55,129 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1179954,1179967] [2022-11-25 17:01:55,129 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180102,1180115] [2022-11-25 17:01:55,130 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180259,1180272] [2022-11-25 17:01:55,130 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180408,1180421] [2022-11-25 17:01:55,131 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180564,1180577] [2022-11-25 17:01:55,131 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180717,1180730] [2022-11-25 17:01:55,132 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1180863,1180876] [2022-11-25 17:01:55,132 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181006,1181019] [2022-11-25 17:01:55,133 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181158,1181171] [2022-11-25 17:01:55,134 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181304,1181317] [2022-11-25 17:01:55,135 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181449,1181462] [2022-11-25 17:01:55,135 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181603,1181616] [2022-11-25 17:01:55,135 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181754,1181767] [2022-11-25 17:01:55,136 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1181909,1181922] [2022-11-25 17:01:55,136 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182061,1182074] [2022-11-25 17:01:55,137 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182216,1182229] [2022-11-25 17:01:55,137 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182380,1182393] [2022-11-25 17:01:55,138 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182536,1182549] [2022-11-25 17:01:55,138 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182700,1182713] [2022-11-25 17:01:55,138 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1182842,1182855] [2022-11-25 17:01:55,139 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183000,1183013] [2022-11-25 17:01:55,139 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183167,1183180] [2022-11-25 17:01:55,140 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183326,1183339] [2022-11-25 17:01:55,141 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183485,1183498] [2022-11-25 17:01:55,141 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183634,1183647] [2022-11-25 17:01:55,141 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183781,1183794] [2022-11-25 17:01:55,142 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1183920,1183933] [2022-11-25 17:01:55,143 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184083,1184096] [2022-11-25 17:01:55,143 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184249,1184262] [2022-11-25 17:01:55,145 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184413,1184426] [2022-11-25 17:01:55,145 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184578,1184591] [2022-11-25 17:01:55,199 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184743,1184756] [2022-11-25 17:01:55,199 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1184909,1184922] [2022-11-25 17:01:55,200 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185074,1185087] [2022-11-25 17:01:55,200 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185241,1185254] [2022-11-25 17:01:55,200 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185401,1185414] [2022-11-25 17:01:55,201 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185563,1185576] [2022-11-25 17:01:55,201 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185722,1185735] [2022-11-25 17:01:55,201 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1185868,1185881] [2022-11-25 17:01:55,201 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186011,1186024] [2022-11-25 17:01:55,202 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186155,1186168] [2022-11-25 17:01:55,202 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186298,1186311] [2022-11-25 17:01:55,202 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186442,1186455] [2022-11-25 17:01:55,202 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186583,1186596] [2022-11-25 17:01:55,203 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186721,1186734] [2022-11-25 17:01:55,203 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1186879,1186892] [2022-11-25 17:01:55,203 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187038,1187051] [2022-11-25 17:01:55,204 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187194,1187207] [2022-11-25 17:01:55,204 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187343,1187356] [2022-11-25 17:01:55,204 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187495,1187508] [2022-11-25 17:01:55,204 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187646,1187659] [2022-11-25 17:01:55,205 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187795,1187808] [2022-11-25 17:01:55,205 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1187947,1187960] [2022-11-25 17:01:55,205 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188095,1188108] [2022-11-25 17:01:55,206 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188248,1188261] [2022-11-25 17:01:55,206 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188399,1188412] [2022-11-25 17:01:55,206 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188549,1188562] [2022-11-25 17:01:55,206 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188696,1188709] [2022-11-25 17:01:55,216 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188847,1188860] [2022-11-25 17:01:55,216 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1188998,1189011] [2022-11-25 17:01:55,231 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189146,1189159] [2022-11-25 17:01:55,232 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189312,1189325] [2022-11-25 17:01:55,232 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189481,1189494] [2022-11-25 17:01:55,233 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189648,1189661] [2022-11-25 17:01:55,234 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189816,1189829] [2022-11-25 17:01:55,234 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1189966,1189979] [2022-11-25 17:01:55,234 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190113,1190126] [2022-11-25 17:01:55,234 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190274,1190287] [2022-11-25 17:01:55,235 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190444,1190457] [2022-11-25 17:01:55,236 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_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i[1190606,1190619] [2022-11-25 17:01:55,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:56,037 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:01:56,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56 WrapperNode [2022-11-25 17:01:56,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:56,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:56,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:01:56,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:01:56,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:56,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:56,665 INFO L138 Inliner]: procedures = 1178, calls = 4177, calls flagged for inlining = 795, calls inlined = 711, statements flattened = 14799 [2022-11-25 17:01:56,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:56,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:01:56,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:01:56,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:01:56,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:56,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:56,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:56,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:57,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:57,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:57,119 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:57,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:57,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:01:57,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:01:57,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:01:57,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:01:57,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (1/1) ... [2022-11-25 17:01:57,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:57,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:01:57,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:01:57,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6116cf7-05f7-482b-873c-96fc2c2aa7ec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:01:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 17:01:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 17:01:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_create [2022-11-25 17:01:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_create [2022-11-25 17:01:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 17:01:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 17:01:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_write_setup [2022-11-25 17:01:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_write_setup [2022-11-25 17:01:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_write_pages [2022-11-25 17:01:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_write_pages [2022-11-25 17:01:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_createdata [2022-11-25 17:01:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_createdata [2022-11-25 17:01:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_lock_check_bounds [2022-11-25 17:01:57,331 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_lock_check_bounds [2022-11-25 17:01:57,331 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mkdir [2022-11-25 17:01:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mkdir [2022-11-25 17:01:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_setup [2022-11-25 17:01:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_setup [2022-11-25 17:01:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 17:01:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 17:01:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lookup [2022-11-25 17:01:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lookup [2022-11-25 17:01:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 17:01:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 17:01:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:01:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 17:01:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 17:01:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 17:01:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 17:01:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 17:01:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 17:01:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_unlink [2022-11-25 17:01:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_stat_to_errno [2022-11-25 17:01:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_stat_to_errno [2022-11-25 17:01:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 17:01:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 17:01:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:01:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readdir [2022-11-25 17:01:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readdir [2022-11-25 17:01:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:01:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 17:01:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 17:01:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:01:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure encode_sattr [2022-11-25 17:01:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_sattr [2022-11-25 17:01:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_rpc_prepare [2022-11-25 17:01:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_rpc_prepare [2022-11-25 17:01:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_rpc_prepare [2022-11-25 17:01:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_rpc_prepare [2022-11-25 17:01:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rmdir [2022-11-25 17:01:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rmdir [2022-11-25 17:01:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_client [2022-11-25 17:01:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_client [2022-11-25 17:01:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:01:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:01:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-25 17:01:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-25 17:01:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:01:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_current_server_time [2022-11-25 17:01:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_current_server_time [2022-11-25 17:01:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-25 17:01:57,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-25 17:01:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_rpc_prepare [2022-11-25 17:01:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_rpc_prepare [2022-11-25 17:01:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_readlink [2022-11-25 17:01:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_readlink [2022-11-25 17:01:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_invalidate_atime [2022-11-25 17:01:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_invalidate_atime [2022-11-25 17:01:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_clone_server [2022-11-25 17:01:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_clone_server [2022-11-25 17:01:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 17:01:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 17:01:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pgio_rpc_prepare [2022-11-25 17:01:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pgio_rpc_prepare [2022-11-25 17:01:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_permission [2022-11-25 17:01:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_permission [2022-11-25 17:01:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 17:01:57,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 17:01:57,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:01:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 17:01:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 17:01:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:01:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_symlink [2022-11-25 17:01:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_symlink [2022-11-25 17:01:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_time [2022-11-25 17:01:57,339 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_time [2022-11-25 17:01:57,339 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-11-25 17:01:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-11-25 17:01:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rename_done [2022-11-25 17:01:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rename_done [2022-11-25 17:01:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 17:01:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 17:01:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 17:01:57,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 17:01:57,340 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_decode_time [2022-11-25 17:01:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_decode_time [2022-11-25 17:01:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_getattr [2022-11-25 17:01:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_getattr [2022-11-25 17:01:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure decode_attrstat [2022-11-25 17:01:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_attrstat [2022-11-25 17:01:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:01:57,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:01:57,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:01:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-25 17:01:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-25 17:01:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_alloc_client [2022-11-25 17:01:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_alloc_client [2022-11-25 17:01:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_lock [2022-11-25 17:01:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_lock [2022-11-25 17:01:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_statfs [2022-11-25 17:01:57,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_statfs [2022-11-25 17:01:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_remove [2022-11-25 17:01:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_remove [2022-11-25 17:01:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_read_done [2022-11-25 17:01:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_read_done [2022-11-25 17:01:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_reply_buffer [2022-11-25 17:01:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_reply_buffer [2022-11-25 17:01:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_read_setup [2022-11-25 17:01:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_read_setup [2022-11-25 17:01:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 17:01:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 17:01:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_return_delegation [2022-11-25 17:01:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_return_delegation [2022-11-25 17:01:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:01:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:01:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure encode_fhandle [2022-11-25 17:01:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_fhandle [2022-11-25 17:01:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 17:01:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 17:01:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 17:01:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 17:01:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_instantiate [2022-11-25 17:01:57,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_instantiate [2022-11-25 17:01:57,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_commit_setup [2022-11-25 17:01:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_commit_setup [2022-11-25 17:01:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-11-25 17:01:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-11-25 17:01:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 17:01:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 17:01:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 17:01:57,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 17:01:57,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 17:01:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 17:01:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:01:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_link [2022-11-25 17:01:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_link [2022-11-25 17:01:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:01:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_pathconf [2022-11-25 17:01:57,347 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_pathconf [2022-11-25 17:01:57,347 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_rename [2022-11-25 17:01:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_rename [2022-11-25 17:01:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FH [2022-11-25 17:01:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FH [2022-11-25 17:01:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:01:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 17:01:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 17:01:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 17:01:57,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 17:01:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure decode_stat [2022-11-25 17:01:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_stat [2022-11-25 17:01:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:01:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:01:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 17:01:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 17:01:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_enc_writeargs [2022-11-25 17:01:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_enc_writeargs [2022-11-25 17:01:57,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 17:01:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 17:01:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_read_pages [2022-11-25 17:01:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_read_pages [2022-11-25 17:01:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_rmdir [2022-11-25 17:01:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_rmdir [2022-11-25 17:01:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 17:01:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 17:01:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_fattr_init [2022-11-25 17:01:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_fattr_init [2022-11-25 17:01:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_setattr [2022-11-25 17:01:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_setattr [2022-11-25 17:01:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_fsinfo [2022-11-25 17:01:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_fsinfo [2022-11-25 17:01:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure print_overflow_msg [2022-11-25 17:01:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure print_overflow_msg [2022-11-25 17:01:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-11-25 17:01:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-11-25 17:01:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_free_createdata [2022-11-25 17:01:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_free_createdata [2022-11-25 17:01:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure decode_fattr [2022-11-25 17:01:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_fattr [2022-11-25 17:01:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_CLIENT [2022-11-25 17:01:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_CLIENT [2022-11-25 17:01:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 17:01:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 17:01:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_write_done [2022-11-25 17:01:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_write_done [2022-11-25 17:01:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 17:01:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 17:01:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:01:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_start [2022-11-25 17:01:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_start [2022-11-25 17:01:57,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:01:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:01:57,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 17:01:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 17:01:57,354 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_xdr_dec_attrstat [2022-11-25 17:01:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_xdr_dec_attrstat [2022-11-25 17:01:57,354 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_get_root [2022-11-25 17:01:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_get_root [2022-11-25 17:01:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_try_mount [2022-11-25 17:01:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_try_mount [2022-11-25 17:01:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure nfs2_decode_dirent [2022-11-25 17:01:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs2_decode_dirent [2022-11-25 17:01:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_create_server [2022-11-25 17:01:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_create_server [2022-11-25 17:01:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_mknod [2022-11-25 17:01:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_mknod [2022-11-25 17:01:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 17:01:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 17:01:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:01:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2022-11-25 17:01:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2022-11-25 17:01:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 17:01:57,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 17:01:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_close_context [2022-11-25 17:01:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_close_context [2022-11-25 17:01:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 17:01:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 17:01:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_client [2022-11-25 17:01:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_client [2022-11-25 17:01:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 17:01:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 17:01:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:01:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:01:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_done [2022-11-25 17:01:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_done [2022-11-25 17:01:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 17:01:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 17:01:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_call_sync [2022-11-25 17:01:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_call_sync [2022-11-25 17:01:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 17:01:57,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 17:01:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_submount [2022-11-25 17:01:57,359 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_submount [2022-11-25 17:01:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure encode_diropargs [2022-11-25 17:01:57,359 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_diropargs [2022-11-25 17:01:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_time_not_set [2022-11-25 17:01:57,359 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_time_not_set [2022-11-25 17:01:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 17:01:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 17:01:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 17:01:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 17:01:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_proc_unlink_setup [2022-11-25 17:01:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_proc_unlink_setup [2022-11-25 17:01:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 17:01:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 17:01:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_setattr [2022-11-25 17:01:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:01:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_mark_for_revalidate [2022-11-25 17:01:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_mark_for_revalidate [2022-11-25 17:01:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_have_delegation [2022-11-25 17:01:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_have_delegation [2022-11-25 17:02:00,445 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:02:00,467 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:02:01,286 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:02:12,321 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:02:12,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:02:12,366 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:02:12,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:12 BoogieIcfgContainer [2022-11-25 17:02:12,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:02:12,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:02:12,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:02:12,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:02:12,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:01:41" (1/3) ... [2022-11-25 17:02:12,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7088037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:02:12, skipping insertion in model container [2022-11-25 17:02:12,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:56" (2/3) ... [2022-11-25 17:02:12,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7088037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:02:12, skipping insertion in model container [2022-11-25 17:02:12,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:12" (3/3) ... [2022-11-25 17:02:12,389 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--nfs--nfsv2.ko.cil.i [2022-11-25 17:02:12,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:02:12,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-11-25 17:02:12,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:02:12,588 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=PETRI_NET, 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;@475dcf55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:02:12,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-25 17:02:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 5391 states, 3395 states have (on average 1.2500736377025037) internal successors, (4244), 3748 states have internal predecessors, (4244), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) [2022-11-25 17:02:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-25 17:02:12,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:12,616 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:12,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:02:12,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:12,622 INFO L85 PathProgramCache]: Analyzing trace with hash -170243191, now seen corresponding path program 1 times [2022-11-25 17:02:12,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:12,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970367123] [2022-11-25 17:02:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:12,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:02:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:02:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:02:13,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:13,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970367123] [2022-11-25 17:02:13,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970367123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:13,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:13,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:02:13,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997818523] [2022-11-25 17:02:13,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:13,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:02:13,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:13,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:02:13,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:02:13,982 INFO L87 Difference]: Start difference. First operand has 5391 states, 3395 states have (on average 1.2500736377025037) internal successors, (4244), 3748 states have internal predecessors, (4244), 1850 states have call successors, (1850), 121 states have call predecessors, (1850), 120 states have return successors, (1824), 1548 states have call predecessors, (1824), 1824 states have call successors, (1824) Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 17:02:16,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:34,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:34,887 INFO L93 Difference]: Finished difference Result 10687 states and 15897 transitions. [2022-11-25 17:02:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:02:34,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2022-11-25 17:02:34,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:34,967 INFO L225 Difference]: With dead ends: 10687 [2022-11-25 17:02:34,967 INFO L226 Difference]: Without dead ends: 5250 [2022-11-25 17:02:35,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:02:35,008 INFO L413 NwaCegarLoop]: 6450 mSDtfsCounter, 7547 mSDsluCounter, 11493 mSDsCounter, 0 mSdLazyCounter, 7379 mSolverCounterSat, 4622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9092 SdHoareTripleChecker+Valid, 17943 SdHoareTripleChecker+Invalid, 12001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4622 IncrementalHoareTripleChecker+Valid, 7379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:35,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9092 Valid, 17943 Invalid, 12001 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4622 Valid, 7379 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-25 17:02:35,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5250 states. [2022-11-25 17:02:35,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5250 to 5250. [2022-11-25 17:02:35,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5250 states, 3333 states have (on average 1.231923192319232) internal successors, (4106), 3648 states have internal predecessors, (4106), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-25 17:02:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5250 states to 5250 states and 7656 transitions. [2022-11-25 17:02:35,707 INFO L78 Accepts]: Start accepts. Automaton has 5250 states and 7656 transitions. Word has length 50 [2022-11-25 17:02:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:35,709 INFO L495 AbstractCegarLoop]: Abstraction has 5250 states and 7656 transitions. [2022-11-25 17:02:35,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 17:02:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5250 states and 7656 transitions. [2022-11-25 17:02:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 17:02:35,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:35,712 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:35,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:02:35,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:02:35,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:35,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1204523555, now seen corresponding path program 1 times [2022-11-25 17:02:35,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:35,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396234976] [2022-11-25 17:02:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:02:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:02:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:02:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:02:36,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:36,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396234976] [2022-11-25 17:02:36,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396234976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:36,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:36,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:02:36,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221784645] [2022-11-25 17:02:36,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:36,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:02:36,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:36,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:02:36,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:02:36,429 INFO L87 Difference]: Start difference. First operand 5250 states and 7656 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 17:02:40,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:56,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:56,473 INFO L93 Difference]: Finished difference Result 5250 states and 7656 transitions. [2022-11-25 17:02:56,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:02:56,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-11-25 17:02:56,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:56,509 INFO L225 Difference]: With dead ends: 5250 [2022-11-25 17:02:56,510 INFO L226 Difference]: Without dead ends: 5248 [2022-11-25 17:02:56,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:02:56,515 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7387 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7321 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8917 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:56,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8917 Valid, 17509 Invalid, 11819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7321 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2022-11-25 17:02:56,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-11-25 17:02:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 5248. [2022-11-25 17:02:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 3332 states have (on average 1.2316926770708283) internal successors, (4104), 3646 states have internal predecessors, (4104), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-25 17:02:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 7654 transitions. [2022-11-25 17:02:57,065 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 7654 transitions. Word has length 56 [2022-11-25 17:02:57,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:57,066 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 7654 transitions. [2022-11-25 17:02:57,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 17:02:57,067 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 7654 transitions. [2022-11-25 17:02:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 17:02:57,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:57,073 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:57,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:02:57,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:02:57,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:57,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1339678912, now seen corresponding path program 1 times [2022-11-25 17:02:57,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:57,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777851297] [2022-11-25 17:02:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:57,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:02:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:02:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:02:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:02:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:02:57,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:57,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777851297] [2022-11-25 17:02:57,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777851297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:57,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:57,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:02:57,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630956305] [2022-11-25 17:02:57,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:57,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:02:57,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:57,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:02:57,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:02:57,650 INFO L87 Difference]: Start difference. First operand 5248 states and 7654 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:03:00,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:03:17,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:17,064 INFO L93 Difference]: Finished difference Result 5248 states and 7654 transitions. [2022-11-25 17:03:17,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:03:17,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62 [2022-11-25 17:03:17,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:17,095 INFO L225 Difference]: With dead ends: 5248 [2022-11-25 17:03:17,095 INFO L226 Difference]: Without dead ends: 5246 [2022-11-25 17:03:17,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:03:17,100 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7381 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7317 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8910 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:17,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8910 Valid, 17509 Invalid, 11815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7317 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2022-11-25 17:03:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-11-25 17:03:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5246. [2022-11-25 17:03:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5246 states, 3331 states have (on average 1.2314620234163915) internal successors, (4102), 3644 states have internal predecessors, (4102), 1776 states have call successors, (1776), 118 states have call predecessors, (1776), 117 states have return successors, (1774), 1510 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-25 17:03:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 5246 states and 7652 transitions. [2022-11-25 17:03:17,631 INFO L78 Accepts]: Start accepts. Automaton has 5246 states and 7652 transitions. Word has length 62 [2022-11-25 17:03:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:17,633 INFO L495 AbstractCegarLoop]: Abstraction has 5246 states and 7652 transitions. [2022-11-25 17:03:17,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 17:03:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 7652 transitions. [2022-11-25 17:03:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-25 17:03:17,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:17,636 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:03:17,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:03:17,637 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:03:17,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:17,637 INFO L85 PathProgramCache]: Analyzing trace with hash 431635452, now seen corresponding path program 1 times [2022-11-25 17:03:17,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:17,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441489449] [2022-11-25 17:03:17,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:03:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:03:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:03:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:03:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:03:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:03:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:03:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:03:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:03:18,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:18,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441489449] [2022-11-25 17:03:18,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441489449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:18,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:18,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:03:18,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170744613] [2022-11-25 17:03:18,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:18,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:03:18,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:03:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:03:18,291 INFO L87 Difference]: Start difference. First operand 5246 states and 7652 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 17:03:21,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:03:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:39,178 INFO L93 Difference]: Finished difference Result 5301 states and 7705 transitions. [2022-11-25 17:03:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:03:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-25 17:03:39,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:39,213 INFO L225 Difference]: With dead ends: 5301 [2022-11-25 17:03:39,214 INFO L226 Difference]: Without dead ends: 5299 [2022-11-25 17:03:39,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:03:39,219 INFO L413 NwaCegarLoop]: 6302 mSDtfsCounter, 7406 mSDsluCounter, 11211 mSDsCounter, 0 mSdLazyCounter, 7434 mSolverCounterSat, 4508 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8934 SdHoareTripleChecker+Valid, 17513 SdHoareTripleChecker+Invalid, 11943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4508 IncrementalHoareTripleChecker+Valid, 7434 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:39,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8934 Valid, 17513 Invalid, 11943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4508 Valid, 7434 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2022-11-25 17:03:39,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2022-11-25 17:03:39,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5295. [2022-11-25 17:03:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5295 states, 3366 states have (on average 1.2296494355317884) internal successors, (4139), 3678 states have internal predecessors, (4139), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:03:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 7701 transitions. [2022-11-25 17:03:39,826 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 7701 transitions. Word has length 68 [2022-11-25 17:03:39,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:39,828 INFO L495 AbstractCegarLoop]: Abstraction has 5295 states and 7701 transitions. [2022-11-25 17:03:39,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 17:03:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 7701 transitions. [2022-11-25 17:03:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 17:03:39,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:39,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:03:39,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:03:39,833 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:03:39,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:39,834 INFO L85 PathProgramCache]: Analyzing trace with hash 749334112, now seen corresponding path program 1 times [2022-11-25 17:03:39,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:39,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900468416] [2022-11-25 17:03:39,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:39,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:03:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:03:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:03:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:03:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:03:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:03:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:03:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:03:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:03:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:03:40,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:40,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900468416] [2022-11-25 17:03:40,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900468416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:40,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:40,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:03:40,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032493594] [2022-11-25 17:03:40,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:40,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:03:40,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:40,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:03:40,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:03:40,428 INFO L87 Difference]: Start difference. First operand 5295 states and 7701 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:04:00,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:00,842 INFO L93 Difference]: Finished difference Result 5295 states and 7701 transitions. [2022-11-25 17:04:00,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:04:00,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2022-11-25 17:04:00,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:00,875 INFO L225 Difference]: With dead ends: 5295 [2022-11-25 17:04:00,875 INFO L226 Difference]: Without dead ends: 5293 [2022-11-25 17:04:00,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:04:00,880 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7369 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7309 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8896 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:00,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8896 Valid, 17509 Invalid, 11807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7309 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-11-25 17:04:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5293 states. [2022-11-25 17:04:01,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5293 to 5293. [2022-11-25 17:04:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3365 states have (on average 1.2294205052005944) internal successors, (4137), 3676 states have internal predecessors, (4137), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:04:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7699 transitions. [2022-11-25 17:04:01,491 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7699 transitions. Word has length 74 [2022-11-25 17:04:01,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:01,492 INFO L495 AbstractCegarLoop]: Abstraction has 5293 states and 7699 transitions. [2022-11-25 17:04:01,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:04:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7699 transitions. [2022-11-25 17:04:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 17:04:01,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:01,493 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:04:01,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:04:01,494 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:04:01,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:01,495 INFO L85 PathProgramCache]: Analyzing trace with hash 308375828, now seen corresponding path program 1 times [2022-11-25 17:04:01,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:01,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71190149] [2022-11-25 17:04:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:01,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:04:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:04:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:04:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:04:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:04:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:04:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:04:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:04:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:04:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:04:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:04:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:04:02,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:02,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71190149] [2022-11-25 17:04:02,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71190149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:02,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:02,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:04:02,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281314775] [2022-11-25 17:04:02,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:02,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:04:02,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:02,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:04:02,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:04:02,289 INFO L87 Difference]: Start difference. First operand 5293 states and 7699 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 17:04:05,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:06,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:23,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:23,796 INFO L93 Difference]: Finished difference Result 5293 states and 7699 transitions. [2022-11-25 17:04:23,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:04:23,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-11-25 17:04:23,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:23,825 INFO L225 Difference]: With dead ends: 5293 [2022-11-25 17:04:23,825 INFO L226 Difference]: Without dead ends: 5291 [2022-11-25 17:04:23,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:04:23,830 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7363 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7305 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8889 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:23,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8889 Valid, 17509 Invalid, 11803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7305 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-11-25 17:04:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-11-25 17:04:24,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 5291. [2022-11-25 17:04:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5291 states, 3364 states have (on average 1.2291914387633769) internal successors, (4135), 3674 states have internal predecessors, (4135), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:04:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 7697 transitions. [2022-11-25 17:04:24,461 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 7697 transitions. Word has length 80 [2022-11-25 17:04:24,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:24,461 INFO L495 AbstractCegarLoop]: Abstraction has 5291 states and 7697 transitions. [2022-11-25 17:04:24,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 17:04:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 7697 transitions. [2022-11-25 17:04:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 17:04:24,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:24,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:04:24,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:04:24,464 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:04:24,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:24,464 INFO L85 PathProgramCache]: Analyzing trace with hash 731614265, now seen corresponding path program 1 times [2022-11-25 17:04:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:24,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635587111] [2022-11-25 17:04:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:04:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:04:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:04:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:04:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:04:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:04:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:04:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:04:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:04:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:04:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:04:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:04:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:04:25,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:25,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635587111] [2022-11-25 17:04:25,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635587111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:25,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:25,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:04:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012777517] [2022-11-25 17:04:25,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:25,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:04:25,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:25,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:04:25,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:04:25,066 INFO L87 Difference]: Start difference. First operand 5291 states and 7697 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 17:04:28,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:43,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:43,487 INFO L93 Difference]: Finished difference Result 5291 states and 7697 transitions. [2022-11-25 17:04:43,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:04:43,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2022-11-25 17:04:43,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:43,507 INFO L225 Difference]: With dead ends: 5291 [2022-11-25 17:04:43,507 INFO L226 Difference]: Without dead ends: 5289 [2022-11-25 17:04:43,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:04:43,511 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7357 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7301 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8882 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:43,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8882 Valid, 17509 Invalid, 11799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7301 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-11-25 17:04:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2022-11-25 17:04:44,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 5289. [2022-11-25 17:04:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5289 states, 3363 states have (on average 1.2289622360987214) internal successors, (4133), 3672 states have internal predecessors, (4133), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:04:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 7695 transitions. [2022-11-25 17:04:44,150 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 7695 transitions. Word has length 86 [2022-11-25 17:04:44,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:44,151 INFO L495 AbstractCegarLoop]: Abstraction has 5289 states and 7695 transitions. [2022-11-25 17:04:44,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 17:04:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 7695 transitions. [2022-11-25 17:04:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-25 17:04:44,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:44,155 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:04:44,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:04:44,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:04:44,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash 72546525, now seen corresponding path program 1 times [2022-11-25 17:04:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114018741] [2022-11-25 17:04:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:44,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:04:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:04:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:04:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:04:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:04:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:04:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:04:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:04:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:04:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:04:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:04:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:04:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:04:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:04:44,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:44,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114018741] [2022-11-25 17:04:44,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114018741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:44,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:44,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:04:44,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576810294] [2022-11-25 17:04:44,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:44,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:04:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:44,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:04:44,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:04:44,710 INFO L87 Difference]: Start difference. First operand 5289 states and 7695 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 17:05:03,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:03,144 INFO L93 Difference]: Finished difference Result 5289 states and 7695 transitions. [2022-11-25 17:05:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:05:03,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2022-11-25 17:05:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:03,163 INFO L225 Difference]: With dead ends: 5289 [2022-11-25 17:05:03,163 INFO L226 Difference]: Without dead ends: 5287 [2022-11-25 17:05:03,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:05:03,166 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7355 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7293 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8879 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:03,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8879 Valid, 17509 Invalid, 11791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7293 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2022-11-25 17:05:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5287 states. [2022-11-25 17:05:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5287 to 5287. [2022-11-25 17:05:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5287 states, 3362 states have (on average 1.2287328970850684) internal successors, (4131), 3670 states have internal predecessors, (4131), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:05:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5287 states to 5287 states and 7693 transitions. [2022-11-25 17:05:03,628 INFO L78 Accepts]: Start accepts. Automaton has 5287 states and 7693 transitions. Word has length 92 [2022-11-25 17:05:03,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:03,629 INFO L495 AbstractCegarLoop]: Abstraction has 5287 states and 7693 transitions. [2022-11-25 17:05:03,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 17:05:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5287 states and 7693 transitions. [2022-11-25 17:05:03,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 17:05:03,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:03,631 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:05:03,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:05:03,631 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:05:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:03,632 INFO L85 PathProgramCache]: Analyzing trace with hash 997867712, now seen corresponding path program 1 times [2022-11-25 17:05:03,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:03,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859323760] [2022-11-25 17:05:03,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:03,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:05:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:05:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:05:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:05:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:05:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:05:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:05:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:05:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:05:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:05:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:05:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:05:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:05:04,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:04,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859323760] [2022-11-25 17:05:04,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859323760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:04,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:04,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:05:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823903834] [2022-11-25 17:05:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:04,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:05:04,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:04,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:05:04,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:05:04,222 INFO L87 Difference]: Start difference. First operand 5287 states and 7693 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 17:05:06,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:05:07,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:05:22,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:22,950 INFO L93 Difference]: Finished difference Result 5287 states and 7693 transitions. [2022-11-25 17:05:22,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:05:22,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-11-25 17:05:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:22,972 INFO L225 Difference]: With dead ends: 5287 [2022-11-25 17:05:22,972 INFO L226 Difference]: Without dead ends: 5285 [2022-11-25 17:05:22,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:05:22,976 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7343 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7293 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8867 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:22,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8867 Valid, 17509 Invalid, 11791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7293 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-25 17:05:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5285 states. [2022-11-25 17:05:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5285 to 5285. [2022-11-25 17:05:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 3361 states have (on average 1.228503421600714) internal successors, (4129), 3668 states have internal predecessors, (4129), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:05:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7691 transitions. [2022-11-25 17:05:23,697 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7691 transitions. Word has length 94 [2022-11-25 17:05:23,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:23,698 INFO L495 AbstractCegarLoop]: Abstraction has 5285 states and 7691 transitions. [2022-11-25 17:05:23,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 17:05:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7691 transitions. [2022-11-25 17:05:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-25 17:05:23,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:23,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:05:23,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:05:23,700 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:05:23,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:23,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1738160404, now seen corresponding path program 1 times [2022-11-25 17:05:23,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:23,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4457805] [2022-11-25 17:05:23,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:23,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:05:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:05:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:05:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:05:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:05:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:05:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:05:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:05:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:05:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:05:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:05:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:05:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:05:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:05:24,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:24,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4457805] [2022-11-25 17:05:24,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4457805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:24,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:24,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:05:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240980376] [2022-11-25 17:05:24,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:24,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:05:24,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:24,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:05:24,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:05:24,234 INFO L87 Difference]: Start difference. First operand 5285 states and 7691 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:05:26,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:05:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:41,934 INFO L93 Difference]: Finished difference Result 5285 states and 7691 transitions. [2022-11-25 17:05:41,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:05:41,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-11-25 17:05:41,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:41,956 INFO L225 Difference]: With dead ends: 5285 [2022-11-25 17:05:41,956 INFO L226 Difference]: Without dead ends: 5283 [2022-11-25 17:05:41,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:05:41,961 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7339 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7289 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8862 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:41,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8862 Valid, 17509 Invalid, 11787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7289 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2022-11-25 17:05:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2022-11-25 17:05:42,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5283. [2022-11-25 17:05:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5283 states, 3360 states have (on average 1.2282738095238095) internal successors, (4127), 3666 states have internal predecessors, (4127), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:05:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 5283 states and 7689 transitions. [2022-11-25 17:05:42,686 INFO L78 Accepts]: Start accepts. Automaton has 5283 states and 7689 transitions. Word has length 100 [2022-11-25 17:05:42,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:42,686 INFO L495 AbstractCegarLoop]: Abstraction has 5283 states and 7689 transitions. [2022-11-25 17:05:42,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 17:05:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5283 states and 7689 transitions. [2022-11-25 17:05:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-25 17:05:42,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:42,688 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:05:42,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:05:42,689 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:05:42,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:42,689 INFO L85 PathProgramCache]: Analyzing trace with hash 966811042, now seen corresponding path program 1 times [2022-11-25 17:05:42,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:42,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947134572] [2022-11-25 17:05:42,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:42,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:05:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:05:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:05:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:05:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:05:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:05:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:05:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:05:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:05:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:05:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:05:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:05:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:05:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:05:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:05:43,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:43,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947134572] [2022-11-25 17:05:43,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947134572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:43,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:43,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:05:43,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952952350] [2022-11-25 17:05:43,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:43,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:05:43,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:43,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:05:43,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:05:43,209 INFO L87 Difference]: Start difference. First operand 5283 states and 7689 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 17:05:59,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:59,620 INFO L93 Difference]: Finished difference Result 5283 states and 7689 transitions. [2022-11-25 17:05:59,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:05:59,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2022-11-25 17:05:59,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:59,644 INFO L225 Difference]: With dead ends: 5283 [2022-11-25 17:05:59,644 INFO L226 Difference]: Without dead ends: 5281 [2022-11-25 17:05:59,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:05:59,648 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7333 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7285 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8855 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:59,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8855 Valid, 17509 Invalid, 11783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7285 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2022-11-25 17:05:59,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5281 states. [2022-11-25 17:06:00,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5281 to 5281. [2022-11-25 17:06:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5281 states, 3359 states have (on average 1.2280440607323608) internal successors, (4125), 3664 states have internal predecessors, (4125), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:06:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 7687 transitions. [2022-11-25 17:06:00,315 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 7687 transitions. Word has length 106 [2022-11-25 17:06:00,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:00,315 INFO L495 AbstractCegarLoop]: Abstraction has 5281 states and 7687 transitions. [2022-11-25 17:06:00,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 17:06:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 7687 transitions. [2022-11-25 17:06:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 17:06:00,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:00,317 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:00,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:06:00,317 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:06:00,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:00,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1743923214, now seen corresponding path program 1 times [2022-11-25 17:06:00,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:00,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586070219] [2022-11-25 17:06:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:00,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:06:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:06:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:06:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:06:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:06:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:06:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:06:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:06:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:06:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:06:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:06:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:06:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:06:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:06:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:06:00,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:00,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586070219] [2022-11-25 17:06:00,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586070219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:00,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:00,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:06:00,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808208614] [2022-11-25 17:06:00,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:00,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:06:00,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:00,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:06:00,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:06:00,872 INFO L87 Difference]: Start difference. First operand 5281 states and 7687 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:06:04,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:06,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:22,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:22,096 INFO L93 Difference]: Finished difference Result 5281 states and 7687 transitions. [2022-11-25 17:06:22,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:06:22,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 112 [2022-11-25 17:06:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:22,119 INFO L225 Difference]: With dead ends: 5281 [2022-11-25 17:06:22,119 INFO L226 Difference]: Without dead ends: 5279 [2022-11-25 17:06:22,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:06:22,122 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7327 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7281 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8848 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:22,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8848 Valid, 17509 Invalid, 11779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7281 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2022-11-25 17:06:22,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2022-11-25 17:06:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 5279. [2022-11-25 17:06:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 3358 states have (on average 1.2278141751042286) internal successors, (4123), 3662 states have internal predecessors, (4123), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:06:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 7685 transitions. [2022-11-25 17:06:22,851 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 7685 transitions. Word has length 112 [2022-11-25 17:06:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:22,854 INFO L495 AbstractCegarLoop]: Abstraction has 5279 states and 7685 transitions. [2022-11-25 17:06:22,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 17:06:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 7685 transitions. [2022-11-25 17:06:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 17:06:22,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:22,857 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:22,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:06:22,857 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:06:22,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:22,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1474942881, now seen corresponding path program 1 times [2022-11-25 17:06:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:22,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649110594] [2022-11-25 17:06:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:22,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:06:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:06:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:06:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:06:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:06:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:06:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:06:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:06:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:06:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:06:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:06:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:06:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:06:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:06:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:06:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:06:23,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:23,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649110594] [2022-11-25 17:06:23,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649110594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:23,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:23,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:06:23,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945598733] [2022-11-25 17:06:23,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:23,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:06:23,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:23,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:06:23,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:06:23,496 INFO L87 Difference]: Start difference. First operand 5279 states and 7685 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:06:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:41,142 INFO L93 Difference]: Finished difference Result 5279 states and 7685 transitions. [2022-11-25 17:06:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:06:41,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2022-11-25 17:06:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:41,156 INFO L225 Difference]: With dead ends: 5279 [2022-11-25 17:06:41,157 INFO L226 Difference]: Without dead ends: 5277 [2022-11-25 17:06:41,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:06:41,160 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7321 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7277 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8841 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:41,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8841 Valid, 17509 Invalid, 11775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7277 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-11-25 17:06:41,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2022-11-25 17:06:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 5277. [2022-11-25 17:06:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 3357 states have (on average 1.2275841525171285) internal successors, (4121), 3660 states have internal predecessors, (4121), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:06:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7683 transitions. [2022-11-25 17:06:41,949 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7683 transitions. Word has length 118 [2022-11-25 17:06:41,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:41,949 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 7683 transitions. [2022-11-25 17:06:41,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 17:06:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7683 transitions. [2022-11-25 17:06:41,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 17:06:41,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:41,952 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:41,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 17:06:41,952 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:06:41,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:41,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1432693425, now seen corresponding path program 1 times [2022-11-25 17:06:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:41,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594092215] [2022-11-25 17:06:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:41,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:06:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:06:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:06:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:06:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:06:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:06:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:06:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:06:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:06:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:06:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:06:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:06:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:06:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:06:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:06:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:06:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:06:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:06:42,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:42,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594092215] [2022-11-25 17:06:42,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594092215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:42,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:42,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:06:42,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74577902] [2022-11-25 17:06:42,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:42,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:06:42,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:42,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:06:42,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:06:42,523 INFO L87 Difference]: Start difference. First operand 5277 states and 7683 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 17:06:44,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:06:51,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:07:02,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:02,133 INFO L93 Difference]: Finished difference Result 5277 states and 7683 transitions. [2022-11-25 17:07:02,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:02,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2022-11-25 17:07:02,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:02,147 INFO L225 Difference]: With dead ends: 5277 [2022-11-25 17:07:02,147 INFO L226 Difference]: Without dead ends: 5275 [2022-11-25 17:07:02,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:07:02,150 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7315 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7273 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8834 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:02,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8834 Valid, 17509 Invalid, 11771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7273 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-11-25 17:07:02,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5275 states. [2022-11-25 17:07:02,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5275 to 5275. [2022-11-25 17:07:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5275 states, 3356 states have (on average 1.2273539928486292) internal successors, (4119), 3658 states have internal predecessors, (4119), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:07:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 5275 states and 7681 transitions. [2022-11-25 17:07:02,892 INFO L78 Accepts]: Start accepts. Automaton has 5275 states and 7681 transitions. Word has length 124 [2022-11-25 17:07:02,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:02,893 INFO L495 AbstractCegarLoop]: Abstraction has 5275 states and 7681 transitions. [2022-11-25 17:07:02,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 17:07:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5275 states and 7681 transitions. [2022-11-25 17:07:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 17:07:02,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:02,895 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:02,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 17:07:02,896 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:07:02,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1544840903, now seen corresponding path program 1 times [2022-11-25 17:07:02,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:02,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057812078] [2022-11-25 17:07:02,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:02,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:07:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:07:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:07:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:07:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:07:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:07:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:07:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:07:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:07:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:07:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:07:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:07:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:07:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:07:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:07:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:07:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:07:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:07:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:07:03,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:03,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057812078] [2022-11-25 17:07:03,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057812078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:03,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:03,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:07:03,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638053761] [2022-11-25 17:07:03,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:03,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:07:03,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:03,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:07:03,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:07:03,577 INFO L87 Difference]: Start difference. First operand 5275 states and 7681 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:07:08,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:07:21,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:21,810 INFO L93 Difference]: Finished difference Result 5275 states and 7681 transitions. [2022-11-25 17:07:21,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:21,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 130 [2022-11-25 17:07:21,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:21,821 INFO L225 Difference]: With dead ends: 5275 [2022-11-25 17:07:21,822 INFO L226 Difference]: Without dead ends: 5273 [2022-11-25 17:07:21,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:07:21,824 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7309 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7269 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8827 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:21,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8827 Valid, 17509 Invalid, 11767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7269 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-11-25 17:07:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2022-11-25 17:07:22,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 5273. [2022-11-25 17:07:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5273 states, 3355 states have (on average 1.227123695976155) internal successors, (4117), 3656 states have internal predecessors, (4117), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:07:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 5273 states and 7679 transitions. [2022-11-25 17:07:22,425 INFO L78 Accepts]: Start accepts. Automaton has 5273 states and 7679 transitions. Word has length 130 [2022-11-25 17:07:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:22,425 INFO L495 AbstractCegarLoop]: Abstraction has 5273 states and 7679 transitions. [2022-11-25 17:07:22,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:07:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 7679 transitions. [2022-11-25 17:07:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-25 17:07:22,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:22,428 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:22,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 17:07:22,428 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:07:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash 153746287, now seen corresponding path program 1 times [2022-11-25 17:07:22,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:22,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25380425] [2022-11-25 17:07:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:22,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:07:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:07:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:07:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:07:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:07:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:07:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:07:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:07:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:07:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:07:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:07:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:07:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:07:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:07:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:07:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:07:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:07:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:07:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:07:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:07:23,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:23,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25380425] [2022-11-25 17:07:23,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25380425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:23,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:23,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:07:23,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268711030] [2022-11-25 17:07:23,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:23,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:07:23,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:23,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:07:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:07:23,702 INFO L87 Difference]: Start difference. First operand 5273 states and 7679 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 17:07:26,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:07:41,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:41,589 INFO L93 Difference]: Finished difference Result 5273 states and 7679 transitions. [2022-11-25 17:07:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:41,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2022-11-25 17:07:41,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:41,605 INFO L225 Difference]: With dead ends: 5273 [2022-11-25 17:07:41,605 INFO L226 Difference]: Without dead ends: 5271 [2022-11-25 17:07:41,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:07:41,608 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7303 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7265 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8820 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:41,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8820 Valid, 17509 Invalid, 11763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7265 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2022-11-25 17:07:41,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5271 states. [2022-11-25 17:07:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5271 to 5271. [2022-11-25 17:07:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 3354 states have (on average 1.2268932617769828) internal successors, (4115), 3654 states have internal predecessors, (4115), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:07:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 7677 transitions. [2022-11-25 17:07:42,300 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 7677 transitions. Word has length 136 [2022-11-25 17:07:42,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:42,301 INFO L495 AbstractCegarLoop]: Abstraction has 5271 states and 7677 transitions. [2022-11-25 17:07:42,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 17:07:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 7677 transitions. [2022-11-25 17:07:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-25 17:07:42,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:42,303 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:42,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 17:07:42,304 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:07:42,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:42,304 INFO L85 PathProgramCache]: Analyzing trace with hash -425823645, now seen corresponding path program 1 times [2022-11-25 17:07:42,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:42,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150054690] [2022-11-25 17:07:42,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:42,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:07:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:07:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:07:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:07:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:07:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:07:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:07:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:07:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:07:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:07:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:07:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:07:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:07:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:07:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:07:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:07:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:07:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:07:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:07:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:07:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:07:43,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:43,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150054690] [2022-11-25 17:07:43,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150054690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:43,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:43,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:07:43,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763444851] [2022-11-25 17:07:43,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:43,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:07:43,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:43,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:07:43,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:07:43,043 INFO L87 Difference]: Start difference. First operand 5271 states and 7677 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 17:07:45,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:07:48,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:08:02,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:08:02,384 INFO L93 Difference]: Finished difference Result 5271 states and 7677 transitions. [2022-11-25 17:08:02,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:08:02,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2022-11-25 17:08:02,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:08:02,397 INFO L225 Difference]: With dead ends: 5271 [2022-11-25 17:08:02,397 INFO L226 Difference]: Without dead ends: 5269 [2022-11-25 17:08:02,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:08:02,400 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7297 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7261 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8813 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:08:02,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8813 Valid, 17509 Invalid, 11759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7261 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2022-11-25 17:08:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5269 states. [2022-11-25 17:08:03,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5269 to 5269. [2022-11-25 17:08:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5269 states, 3353 states have (on average 1.2266626901282434) internal successors, (4113), 3652 states have internal predecessors, (4113), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:08:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 5269 states and 7675 transitions. [2022-11-25 17:08:03,028 INFO L78 Accepts]: Start accepts. Automaton has 5269 states and 7675 transitions. Word has length 142 [2022-11-25 17:08:03,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:08:03,029 INFO L495 AbstractCegarLoop]: Abstraction has 5269 states and 7675 transitions. [2022-11-25 17:08:03,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 17:08:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 7675 transitions. [2022-11-25 17:08:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-25 17:08:03,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:08:03,033 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:08:03,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 17:08:03,033 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:08:03,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:08:03,034 INFO L85 PathProgramCache]: Analyzing trace with hash 563853865, now seen corresponding path program 1 times [2022-11-25 17:08:03,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:08:03,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895091457] [2022-11-25 17:08:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:08:03,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:08:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:08:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:08:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:08:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:08:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:08:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:08:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:08:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:08:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:08:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:08:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:08:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:08:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:08:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:08:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:08:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:08:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:08:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:08:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:08:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:08:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:08:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:08:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:08:03,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:08:03,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895091457] [2022-11-25 17:08:03,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895091457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:08:03,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:08:03,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:08:03,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712695559] [2022-11-25 17:08:03,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:08:03,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:08:03,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:08:03,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:08:03,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:08:03,698 INFO L87 Difference]: Start difference. First operand 5269 states and 7675 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 17:08:06,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:08:23,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:08:23,063 INFO L93 Difference]: Finished difference Result 5269 states and 7675 transitions. [2022-11-25 17:08:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:08:23,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2022-11-25 17:08:23,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:08:23,073 INFO L225 Difference]: With dead ends: 5269 [2022-11-25 17:08:23,074 INFO L226 Difference]: Without dead ends: 5267 [2022-11-25 17:08:23,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:08:23,076 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7291 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7257 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8806 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:08:23,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8806 Valid, 17509 Invalid, 11755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7257 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2022-11-25 17:08:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states. [2022-11-25 17:08:23,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5267 to 5267. [2022-11-25 17:08:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5267 states, 3352 states have (on average 1.2264319809069213) internal successors, (4111), 3650 states have internal predecessors, (4111), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:08:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 5267 states and 7673 transitions. [2022-11-25 17:08:23,739 INFO L78 Accepts]: Start accepts. Automaton has 5267 states and 7673 transitions. Word has length 148 [2022-11-25 17:08:23,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:08:23,740 INFO L495 AbstractCegarLoop]: Abstraction has 5267 states and 7673 transitions. [2022-11-25 17:08:23,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 17:08:23,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5267 states and 7673 transitions. [2022-11-25 17:08:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 17:08:23,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:08:23,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:08:23,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 17:08:23,744 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:08:23,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:08:23,744 INFO L85 PathProgramCache]: Analyzing trace with hash -203541671, now seen corresponding path program 1 times [2022-11-25 17:08:23,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:08:23,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684398300] [2022-11-25 17:08:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:08:23,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:08:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:08:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:08:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:08:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:08:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:08:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:08:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:08:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:08:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:08:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:08:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:08:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:08:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:08:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:08:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:08:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:08:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:08:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:08:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:08:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:08:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:08:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:08:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 17:08:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:08:24,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:08:24,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684398300] [2022-11-25 17:08:24,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684398300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:08:24,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:08:24,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:08:24,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554751955] [2022-11-25 17:08:24,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:08:24,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:08:24,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:08:24,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:08:24,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:08:24,316 INFO L87 Difference]: Start difference. First operand 5267 states and 7673 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 17:08:26,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:08:44,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:08:44,189 INFO L93 Difference]: Finished difference Result 5267 states and 7673 transitions. [2022-11-25 17:08:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:08:44,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2022-11-25 17:08:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:08:44,199 INFO L225 Difference]: With dead ends: 5267 [2022-11-25 17:08:44,200 INFO L226 Difference]: Without dead ends: 5265 [2022-11-25 17:08:44,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:08:44,202 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7285 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7253 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8799 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:08:44,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8799 Valid, 17509 Invalid, 11751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7253 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-11-25 17:08:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5265 states. [2022-11-25 17:08:45,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5265 to 5265. [2022-11-25 17:08:45,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5265 states, 3351 states have (on average 1.2262011339898538) internal successors, (4109), 3648 states have internal predecessors, (4109), 1782 states have call successors, (1782), 127 states have call predecessors, (1782), 126 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:08:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 5265 states and 7671 transitions. [2022-11-25 17:08:45,025 INFO L78 Accepts]: Start accepts. Automaton has 5265 states and 7671 transitions. Word has length 154 [2022-11-25 17:08:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:08:45,026 INFO L495 AbstractCegarLoop]: Abstraction has 5265 states and 7671 transitions. [2022-11-25 17:08:45,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 17:08:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5265 states and 7671 transitions. [2022-11-25 17:08:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-25 17:08:45,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:08:45,028 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:08:45,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 17:08:45,028 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:08:45,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:08:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash 279370170, now seen corresponding path program 1 times [2022-11-25 17:08:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:08:45,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177894169] [2022-11-25 17:08:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:08:45,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:08:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:08:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:08:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:08:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:08:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:08:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:08:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:08:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:08:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:08:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:08:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:08:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:08:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:08:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:08:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:08:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:08:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:08:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:08:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:08:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:08:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:08:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:08:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:08:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:08:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:08:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:08:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:08:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:08:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 17:08:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:08:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-11-25 17:08:46,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:08:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177894169] [2022-11-25 17:08:46,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177894169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:08:46,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:08:46,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:08:46,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298627291] [2022-11-25 17:08:46,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:08:46,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:08:46,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:08:46,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:08:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:08:46,618 INFO L87 Difference]: Start difference. First operand 5265 states and 7671 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:08:49,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:09:19,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:19,703 INFO L93 Difference]: Finished difference Result 5456 states and 8078 transitions. [2022-11-25 17:09:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:09:19,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 209 [2022-11-25 17:09:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:19,733 INFO L225 Difference]: With dead ends: 5456 [2022-11-25 17:09:19,733 INFO L226 Difference]: Without dead ends: 5454 [2022-11-25 17:09:19,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:09:19,737 INFO L413 NwaCegarLoop]: 6355 mSDtfsCounter, 8081 mSDsluCounter, 19177 mSDsCounter, 0 mSdLazyCounter, 12949 mSolverCounterSat, 6867 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9542 SdHoareTripleChecker+Valid, 25532 SdHoareTripleChecker+Invalid, 19816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6867 IncrementalHoareTripleChecker+Valid, 12949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:19,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9542 Valid, 25532 Invalid, 19816 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6867 Valid, 12949 Invalid, 0 Unknown, 0 Unchecked, 31.5s Time] [2022-11-25 17:09:19,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5454 states. [2022-11-25 17:09:21,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5454 to 5271. [2022-11-25 17:09:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 3356 states have (on average 1.2252681764004767) internal successors, (4112), 3652 states have internal predecessors, (4112), 1782 states have call successors, (1782), 129 states have call predecessors, (1782), 128 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:09:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 7674 transitions. [2022-11-25 17:09:21,046 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 7674 transitions. Word has length 209 [2022-11-25 17:09:21,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:21,047 INFO L495 AbstractCegarLoop]: Abstraction has 5271 states and 7674 transitions. [2022-11-25 17:09:21,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 17:09:21,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 7674 transitions. [2022-11-25 17:09:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-25 17:09:21,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:21,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:09:21,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 17:09:21,049 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:09:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash -387864570, now seen corresponding path program 1 times [2022-11-25 17:09:21,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:21,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521367004] [2022-11-25 17:09:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:09:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:09:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:09:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:09:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:09:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:09:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:09:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:09:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:09:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:09:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:09:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:09:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:09:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:09:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:09:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:09:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:09:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:09:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:09:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:09:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:09:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:09:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:09:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 17:09:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 17:09:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:09:21,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:21,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521367004] [2022-11-25 17:09:21,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521367004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:21,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:21,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:09:21,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513986601] [2022-11-25 17:09:21,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:21,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:09:21,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:21,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:09:21,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:09:21,975 INFO L87 Difference]: Start difference. First operand 5271 states and 7674 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 17:09:24,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:09:25,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:09:28,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:09:45,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:09:45,204 INFO L93 Difference]: Finished difference Result 5271 states and 7674 transitions. [2022-11-25 17:09:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:09:45,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2022-11-25 17:09:45,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:09:45,219 INFO L225 Difference]: With dead ends: 5271 [2022-11-25 17:09:45,220 INFO L226 Difference]: Without dead ends: 5269 [2022-11-25 17:09:45,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:09:45,222 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7273 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7245 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8786 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:09:45,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8786 Valid, 17509 Invalid, 11743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7245 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2022-11-25 17:09:45,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5269 states. [2022-11-25 17:09:46,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5269 to 5269. [2022-11-25 17:09:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5269 states, 3355 states have (on average 1.225037257824143) internal successors, (4110), 3650 states have internal predecessors, (4110), 1782 states have call successors, (1782), 129 states have call predecessors, (1782), 128 states have return successors, (1780), 1516 states have call predecessors, (1780), 1780 states have call successors, (1780) [2022-11-25 17:09:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 5269 states and 7672 transitions. [2022-11-25 17:09:46,084 INFO L78 Accepts]: Start accepts. Automaton has 5269 states and 7672 transitions. Word has length 160 [2022-11-25 17:09:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:09:46,084 INFO L495 AbstractCegarLoop]: Abstraction has 5269 states and 7672 transitions. [2022-11-25 17:09:46,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 17:09:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5269 states and 7672 transitions. [2022-11-25 17:09:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-25 17:09:46,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:09:46,087 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:09:46,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 17:09:46,087 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:09:46,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:09:46,088 INFO L85 PathProgramCache]: Analyzing trace with hash 926913760, now seen corresponding path program 1 times [2022-11-25 17:09:46,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:09:46,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268830962] [2022-11-25 17:09:46,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:09:46,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:09:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:09:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:09:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:09:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:09:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:09:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:09:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:09:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:09:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:09:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:09:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:09:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:09:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 17:09:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:09:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-25 17:09:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:09:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:09:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:09:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:09:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:09:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:09:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:09:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:09:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 17:09:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 17:09:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:09:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:09:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:09:46,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:09:46,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268830962] [2022-11-25 17:09:46,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268830962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:09:46,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:09:46,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:09:46,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422623468] [2022-11-25 17:09:46,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:09:46,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:09:46,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:09:46,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:09:46,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:09:46,887 INFO L87 Difference]: Start difference. First operand 5269 states and 7672 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 17:09:50,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:09,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:09,168 INFO L93 Difference]: Finished difference Result 5269 states and 7672 transitions. [2022-11-25 17:10:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:10:09,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2022-11-25 17:10:09,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:09,189 INFO L225 Difference]: With dead ends: 5269 [2022-11-25 17:10:09,189 INFO L226 Difference]: Without dead ends: 5114 [2022-11-25 17:10:09,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:10:09,194 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 7264 mSDsluCounter, 11209 mSDsCounter, 0 mSdLazyCounter, 7244 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8776 SdHoareTripleChecker+Valid, 17509 SdHoareTripleChecker+Invalid, 11742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 7244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:09,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8776 Valid, 17509 Invalid, 11742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 7244 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-11-25 17:10:09,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2022-11-25 17:10:09,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5114. [2022-11-25 17:10:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5114 states, 3266 states have (on average 1.230251071647275) internal successors, (4018), 3559 states have internal predecessors, (4018), 1736 states have call successors, (1736), 109 states have call predecessors, (1736), 109 states have return successors, (1736), 1472 states have call predecessors, (1736), 1736 states have call successors, (1736) [2022-11-25 17:10:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5114 states to 5114 states and 7490 transitions. [2022-11-25 17:10:09,986 INFO L78 Accepts]: Start accepts. Automaton has 5114 states and 7490 transitions. Word has length 166 [2022-11-25 17:10:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:09,987 INFO L495 AbstractCegarLoop]: Abstraction has 5114 states and 7490 transitions. [2022-11-25 17:10:09,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 17:10:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5114 states and 7490 transitions. [2022-11-25 17:10:09,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-25 17:10:09,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:09,989 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:09,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 17:10:09,989 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:10:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:10,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1264836992, now seen corresponding path program 1 times [2022-11-25 17:10:10,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:10,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623606468] [2022-11-25 17:10:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:10,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:10:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:10:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:10:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:10:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:10:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:10:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:10:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:10:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:10:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:10:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:10:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:10:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:10:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 17:10:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 17:10:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-25 17:10:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-11-25 17:10:10,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:10,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623606468] [2022-11-25 17:10:10,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623606468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:10,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:10,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 17:10:10,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262459844] [2022-11-25 17:10:10,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:10,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:10:10,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:10,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:10:10,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:10:10,941 INFO L87 Difference]: Start difference. First operand 5114 states and 7490 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 17:10:14,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:17,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:19,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:21,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:47,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:47,634 INFO L93 Difference]: Finished difference Result 5297 states and 7891 transitions. [2022-11-25 17:10:47,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 17:10:47,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 226 [2022-11-25 17:10:47,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:47,657 INFO L225 Difference]: With dead ends: 5297 [2022-11-25 17:10:47,657 INFO L226 Difference]: Without dead ends: 5295 [2022-11-25 17:10:47,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:10:47,662 INFO L413 NwaCegarLoop]: 6249 mSDtfsCounter, 2148 mSDsluCounter, 23738 mSDsCounter, 0 mSdLazyCounter, 15318 mSolverCounterSat, 5994 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 29987 SdHoareTripleChecker+Invalid, 21313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5994 IncrementalHoareTripleChecker+Valid, 15318 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:47,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 29987 Invalid, 21313 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5994 Valid, 15318 Invalid, 1 Unknown, 0 Unchecked, 35.0s Time] [2022-11-25 17:10:47,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-11-25 17:10:48,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5112. [2022-11-25 17:10:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5112 states, 3265 states have (on average 1.229709035222052) internal successors, (4015), 3557 states have internal predecessors, (4015), 1736 states have call successors, (1736), 109 states have call predecessors, (1736), 109 states have return successors, (1736), 1472 states have call predecessors, (1736), 1736 states have call successors, (1736) [2022-11-25 17:10:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 7487 transitions. [2022-11-25 17:10:48,509 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 7487 transitions. Word has length 226 [2022-11-25 17:10:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:48,510 INFO L495 AbstractCegarLoop]: Abstraction has 5112 states and 7487 transitions. [2022-11-25 17:10:48,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 17:10:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 7487 transitions. [2022-11-25 17:10:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-25 17:10:48,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:48,514 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-11-25 17:10:48,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 17:10:48,515 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:10:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:48,515 INFO L85 PathProgramCache]: Analyzing trace with hash -71832794, now seen corresponding path program 1 times [2022-11-25 17:10:48,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:48,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107533175] [2022-11-25 17:10:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:48,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:10:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:10:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:10:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:10:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:10:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:10:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:10:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:10:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:10:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:10:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:10:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:10:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:10:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-25 17:10:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 17:10:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 17:10:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 17:10:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 17:10:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:10:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:10:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:10:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 17:10:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:10:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 17:10:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-25 17:10:49,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:49,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107533175] [2022-11-25 17:10:49,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107533175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:49,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:10:49,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:10:49,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524086288] [2022-11-25 17:10:49,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:49,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:10:49,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:49,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:10:49,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:49,900 INFO L87 Difference]: Start difference. First operand 5112 states and 7487 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 17:10:52,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:10:55,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:29,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:11:29,630 INFO L93 Difference]: Finished difference Result 10365 states and 15361 transitions. [2022-11-25 17:11:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:11:29,631 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 301 [2022-11-25 17:11:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:11:29,658 INFO L225 Difference]: With dead ends: 10365 [2022-11-25 17:11:29,659 INFO L226 Difference]: Without dead ends: 5295 [2022-11-25 17:11:29,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:11:29,688 INFO L413 NwaCegarLoop]: 6244 mSDtfsCounter, 7666 mSDsluCounter, 22242 mSDsCounter, 0 mSdLazyCounter, 16764 mSolverCounterSat, 6582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9219 SdHoareTripleChecker+Valid, 28486 SdHoareTripleChecker+Invalid, 23346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6582 IncrementalHoareTripleChecker+Valid, 16764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:11:29,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9219 Valid, 28486 Invalid, 23346 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6582 Valid, 16764 Invalid, 0 Unknown, 0 Unchecked, 37.8s Time] [2022-11-25 17:11:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-11-25 17:11:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5112. [2022-11-25 17:11:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5112 states, 3265 states have (on average 1.2294027565084227) internal successors, (4014), 3557 states have internal predecessors, (4014), 1736 states have call successors, (1736), 109 states have call predecessors, (1736), 109 states have return successors, (1736), 1472 states have call predecessors, (1736), 1736 states have call successors, (1736) [2022-11-25 17:11:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 7486 transitions. [2022-11-25 17:11:30,740 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 7486 transitions. Word has length 301 [2022-11-25 17:11:30,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:11:30,741 INFO L495 AbstractCegarLoop]: Abstraction has 5112 states and 7486 transitions. [2022-11-25 17:11:30,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 17:11:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 7486 transitions. [2022-11-25 17:11:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-25 17:11:30,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:11:30,746 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-11-25 17:11:30,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 17:11:30,746 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:11:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:11:30,747 INFO L85 PathProgramCache]: Analyzing trace with hash -71773212, now seen corresponding path program 1 times [2022-11-25 17:11:30,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:11:30,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805415441] [2022-11-25 17:11:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:11:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:11:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:11:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:11:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:11:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:11:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:11:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:11:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:11:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:11:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:11:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:11:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:11:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:11:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:11:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:11:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:11:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-25 17:11:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 17:11:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 17:11:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 17:11:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 17:11:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:11:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:11:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:11:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 17:11:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:11:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 17:11:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:11:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-25 17:11:31,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:11:31,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805415441] [2022-11-25 17:11:31,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805415441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:11:31,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:11:31,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:11:31,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930953880] [2022-11-25 17:11:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:11:31,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:11:31,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:11:31,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:11:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:11:31,790 INFO L87 Difference]: Start difference. First operand 5112 states and 7486 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-25 17:11:35,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:37,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:39,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:11:44,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:09,012 INFO L93 Difference]: Finished difference Result 5295 states and 7887 transitions. [2022-11-25 17:12:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:12:09,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 301 [2022-11-25 17:12:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:09,029 INFO L225 Difference]: With dead ends: 5295 [2022-11-25 17:12:09,030 INFO L226 Difference]: Without dead ends: 5293 [2022-11-25 17:12:09,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:12:09,033 INFO L413 NwaCegarLoop]: 6255 mSDtfsCounter, 2168 mSDsluCounter, 19030 mSDsCounter, 0 mSdLazyCounter, 12417 mSolverCounterSat, 6011 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 25285 SdHoareTripleChecker+Invalid, 18431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6011 IncrementalHoareTripleChecker+Valid, 12417 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:09,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 25285 Invalid, 18431 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6011 Valid, 12417 Invalid, 3 Unknown, 0 Unchecked, 35.5s Time] [2022-11-25 17:12:09,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5293 states. [2022-11-25 17:12:09,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5293 to 5110. [2022-11-25 17:12:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5110 states, 3264 states have (on average 1.2291666666666667) internal successors, (4012), 3555 states have internal predecessors, (4012), 1736 states have call successors, (1736), 109 states have call predecessors, (1736), 109 states have return successors, (1736), 1472 states have call predecessors, (1736), 1736 states have call successors, (1736) [2022-11-25 17:12:09,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5110 states to 5110 states and 7484 transitions. [2022-11-25 17:12:09,793 INFO L78 Accepts]: Start accepts. Automaton has 5110 states and 7484 transitions. Word has length 301 [2022-11-25 17:12:09,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:09,794 INFO L495 AbstractCegarLoop]: Abstraction has 5110 states and 7484 transitions. [2022-11-25 17:12:09,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-25 17:12:09,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5110 states and 7484 transitions. [2022-11-25 17:12:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-25 17:12:09,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:12:09,800 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-11-25 17:12:09,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 17:12:09,801 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-25 17:12:09,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:12:09,802 INFO L85 PathProgramCache]: Analyzing trace with hash 289393386, now seen corresponding path program 1 times [2022-11-25 17:12:09,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:12:09,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209241999] [2022-11-25 17:12:09,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:12:09,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:12:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:12:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:12:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:12:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:12:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:12:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:12:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:12:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:12:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 17:12:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:12:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:12:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:12:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 17:12:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-25 17:12:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-25 17:12:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-25 17:12:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 17:12:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 17:12:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 17:12:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-25 17:12:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:12:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:12:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:12:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 17:12:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:12:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 17:12:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:12:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-11-25 17:12:10,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:12:10,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209241999] [2022-11-25 17:12:10,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209241999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:12:10,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:12:10,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:12:10,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421710527] [2022-11-25 17:12:10,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:12:10,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:12:10,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:12:10,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:12:10,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:12:10,859 INFO L87 Difference]: Start difference. First operand 5110 states and 7484 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 17:12:13,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:15,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:12:35,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:12:35,293 INFO L93 Difference]: Finished difference Result 10357 states and 15351 transitions. [2022-11-25 17:12:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:12:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 305 [2022-11-25 17:12:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:12:35,296 INFO L225 Difference]: With dead ends: 10357 [2022-11-25 17:12:35,296 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:12:35,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:12:35,345 INFO L413 NwaCegarLoop]: 6247 mSDtfsCounter, 7629 mSDsluCounter, 9618 mSDsCounter, 0 mSdLazyCounter, 6678 mSolverCounterSat, 6616 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9179 SdHoareTripleChecker+Valid, 15865 SdHoareTripleChecker+Invalid, 13295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6616 IncrementalHoareTripleChecker+Valid, 6678 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:12:35,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9179 Valid, 15865 Invalid, 13295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6616 Valid, 6678 Invalid, 1 Unknown, 0 Unchecked, 22.7s Time] [2022-11-25 17:12:35,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:12:35,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:12:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:12:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:12:35,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2022-11-25 17:12:35,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:12:35,351 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:12:35,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 17:12:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:12:35,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:12:35,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (24 of 25 remaining) [2022-11-25 17:12:35,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (23 of 25 remaining) [2022-11-25 17:12:35,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (22 of 25 remaining) [2022-11-25 17:12:35,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 25 remaining) [2022-11-25 17:12:35,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 25 remaining) [2022-11-25 17:12:35,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (19 of 25 remaining) [2022-11-25 17:12:35,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (18 of 25 remaining) [2022-11-25 17:12:35,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 25 remaining) [2022-11-25 17:12:35,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (16 of 25 remaining) [2022-11-25 17:12:35,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION (15 of 25 remaining) [2022-11-25 17:12:35,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 25 remaining) [2022-11-25 17:12:35,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 25 remaining) [2022-11-25 17:12:35,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 25 remaining) [2022-11-25 17:12:35,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 25 remaining) [2022-11-25 17:12:35,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 25 remaining) [2022-11-25 17:12:35,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 25 remaining) [2022-11-25 17:12:35,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 25 remaining) [2022-11-25 17:12:35,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 25 remaining) [2022-11-25 17:12:35,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 25 remaining) [2022-11-25 17:12:35,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 25 remaining) [2022-11-25 17:12:35,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 25 remaining) [2022-11-25 17:12:35,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 25 remaining) [2022-11-25 17:12:35,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 25 remaining) [2022-11-25 17:12:35,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 25 remaining) [2022-11-25 17:12:35,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 25 remaining) [2022-11-25 17:12:35,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 17:12:35,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.