./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8 --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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- 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-2329fc7 [2022-12-13 11:12:57,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:12:57,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:12:57,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:12:57,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:12:57,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:12:57,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:12:57,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:12:57,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:12:57,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:12:57,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:12:57,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:12:57,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:12:57,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:12:57,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:12:57,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:12:57,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:12:57,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:12:57,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:12:57,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:12:57,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:12:57,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:12:57,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:12:57,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:12:57,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:12:57,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:12:57,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:12:57,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:12:57,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:12:57,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:12:57,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:12:57,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:12:57,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:12:57,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:12:57,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:12:57,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:12:57,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:12:57,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:12:57,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:12:57,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:12:57,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:12:57,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 11:12:57,677 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:12:57,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:12:57,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:12:57,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:12:57,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:12:57,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:12:57,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:12:57,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:12:57,679 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:12:57,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:12:57,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:12:57,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:12:57,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:12:57,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:12:57,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:12:57,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:12:57,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:12:57,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:12:57,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:12:57,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:12:57,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:12:57,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:12:57,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:12:57,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:12:57,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:12:57,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:12:57,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:12:57,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:12:57,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:12:57,682 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:12:57,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:12:57,682 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:12:57,682 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2022-12-13 11:12:57,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:12:57,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:12:57,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:12:57,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:12:57,871 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:12:57,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-12-13 11:13:00,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:13:00,759 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:13:00,759 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-12-13 11:13:00,784 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/data/f1cdde671/f685a3d09a33408c869e1028febba4f2/FLAG90e1914ba [2022-12-13 11:13:00,800 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/data/f1cdde671/f685a3d09a33408c869e1028febba4f2 [2022-12-13 11:13:00,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:13:00,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:13:00,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:13:00,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:13:00,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:13:00,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:13:00" (1/1) ... [2022-12-13 11:13:00,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195d810d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:00, skipping insertion in model container [2022-12-13 11:13:00,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:13:00" (1/1) ... [2022-12-13 11:13:00,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:13:00,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:13:01,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:01,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,100 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 11:13:02,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 11:13:02,117 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:13:02,141 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:13:02,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,194 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 11:13:02,195 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 11:13:02,195 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 11:13:02,195 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 11:13:02,199 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 11:13:02,200 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 11:13:02,200 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 11:13:02,200 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 11:13:02,233 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 11:13:02,274 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 11:13:02,274 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 11:13:02,282 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 11:13:02,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,293 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 11:13:02,348 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:13:02,440 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:02,443 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:02,448 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:02,449 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:02,451 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:02,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,452 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:02,453 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,455 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,455 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,456 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,456 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,458 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,460 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:13:02,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,461 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,464 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,465 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:13:02,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,472 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:13:02,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,472 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:13:02,474 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:13:02,483 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:13:02,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,484 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:13:02,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,486 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-13 11:13:02,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,488 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:13:02,488 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:13:02,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,492 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,493 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:13:02,493 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:13:02,494 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:13:02,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,499 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:13:02,499 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:13:02,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,502 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 11:13:02,503 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:13:02,508 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:13:02,508 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:13:02,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,514 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,523 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:13:02,524 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:13:02,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,545 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:13:02,560 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,561 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:02,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,565 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 11:13:02,804 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,805 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,805 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,805 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,805 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,807 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,807 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,807 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,807 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:02,809 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-13 11:13:02,809 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-13 11:13:02,812 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:13:02,815 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 11:13:02,816 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 11:13:02,823 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 11:13:02,824 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 11:13:02,837 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 11:13:02,837 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 11:13:02,839 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,839 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,839 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,839 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,840 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,841 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,841 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:13:02,842 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:13:02,842 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-13 11:13:02,842 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:13:02,843 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 11:13:02,843 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:13:02,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,844 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,845 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:13:02,845 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:13:02,845 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:02,867 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-13 11:13:02,868 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-13 11:13:02,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,869 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-13 11:13:02,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:02,871 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 11:13:02,914 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 11:13:02,914 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 11:13:02,922 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 11:13:03,394 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2022-12-13 11:13:03,397 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2022-12-13 11:13:03,398 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2022-12-13 11:13:03,398 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2022-12-13 11:13:03,399 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,399 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,400 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:13:03,429 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:13:03,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,829 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 11:13:03,830 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 11:13:03,830 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:13:03,831 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:13:03,831 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,832 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 11:13:03,832 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 11:13:03,833 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 11:13:03,833 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 11:13:03,833 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 11:13:03,834 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 11:13:03,834 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 11:13:03,834 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 11:13:03,836 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 11:13:03,838 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 11:13:03,838 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 11:13:03,839 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 11:13:03,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,840 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 11:13:03,841 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:13:03,846 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:03,847 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:03,853 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:03,854 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:03,855 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:03,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,856 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-13 11:13:03,858 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,859 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,859 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,859 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,860 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,861 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,863 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:13:03,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,864 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,867 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,867 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,869 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:13:03,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,874 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:13:03,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,875 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:13:03,876 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:13:03,878 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:13:03,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,878 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:13:03,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,879 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-13 11:13:03,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,882 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:13:03,883 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:13:03,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,887 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 11:13:03,888 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:13:03,888 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:13:03,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,889 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:13:03,889 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:13:03,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,893 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 11:13:03,893 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:13:03,898 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:13:03,899 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:13:03,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,914 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:13:03,918 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:13:03,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,942 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:13:03,959 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,962 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:13:03,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:03,969 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 11:13:03,974 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,974 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,974 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,975 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,975 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,975 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,975 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,975 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,976 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,976 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,976 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,976 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,976 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,977 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,977 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:03,978 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-13 11:13:03,978 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-13 11:13:03,981 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:13:03,983 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 11:13:03,984 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 11:13:03,989 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 11:13:03,991 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 11:13:04,002 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 11:13:04,003 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 11:13:04,004 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,004 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,005 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,005 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,005 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,005 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,005 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,006 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,006 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,006 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,006 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,007 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:13:04,007 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:13:04,007 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-13 11:13:04,007 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:13:04,008 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 11:13:04,008 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:13:04,009 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,009 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,010 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:13:04,010 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:13:04,010 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 11:13:04,017 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-13 11:13:04,020 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-13 11:13:04,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:04,025 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-13 11:13:04,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:13:04,033 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 11:13:04,037 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 11:13:04,037 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 11:13:04,037 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 11:13:04,060 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2022-12-13 11:13:04,061 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2022-12-13 11:13:04,061 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2022-12-13 11:13:04,062 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_59a279f3-f5ca-4a98-b765-cd462043c2f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2022-12-13 11:13:04,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:04,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:04,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 11:13:04,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:13:04,249 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:13:04,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04 WrapperNode [2022-12-13 11:13:04,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:13:04,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:13:04,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:13:04,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:13:04,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,445 INFO L138 Inliner]: procedures = 495, calls = 2611, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5074 [2022-12-13 11:13:04,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:13:04,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:13:04,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:13:04,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:13:04,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:13:04,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:13:04,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:13:04,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:13:04,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (1/1) ... [2022-12-13 11:13:04,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:13:04,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:04,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:13:04,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a279f3-f5ca-4a98-b765-cd462043c2f8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-12-13 11:13:04,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 11:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-12-13 11:13:04,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 11:13:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 11:13:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-12-13 11:13:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-12-13 11:13:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-12-13 11:13:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-12-13 11:13:04,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-12-13 11:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 11:13:04,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-12-13 11:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 11:13:04,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:13:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:13:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 11:13:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-12-13 11:13:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 11:13:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 11:13:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-12-13 11:13:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-12-13 11:13:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 11:13:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-13 11:13:04,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-13 11:13:05,323 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:13:05,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:13:05,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 11:13:06,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1255#1.base, #t~mem1255#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-12-13 11:13:06,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1255#1.base, #t~mem1255#1.offset, 129, 0); srcloc: null [2022-12-13 11:13:06,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1255#1.base, #t~mem1255#1.offset; [2022-12-13 11:13:11,750 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 11:13:11,858 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:13:11,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:13:11,874 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:13:11,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:13:11 BoogieIcfgContainer [2022-12-13 11:13:11,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:13:11,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:13:11,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:13:11,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:13:11,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:13:00" (1/3) ... [2022-12-13 11:13:11,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e81917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:13:11, skipping insertion in model container [2022-12-13 11:13:11,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:13:04" (2/3) ... [2022-12-13 11:13:11,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e81917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:13:11, skipping insertion in model container [2022-12-13 11:13:11,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:13:11" (3/3) ... [2022-12-13 11:13:11,884 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-12-13 11:13:11,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:13:11,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 11:13:11,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:13:11,974 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;@6d5cfc03, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:13:11,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 11:13:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 2528 states, 1635 states have (on average 1.290519877675841) internal successors, (2110), 1705 states have internal predecessors, (2110), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2022-12-13 11:13:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 11:13:12,001 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:12,002 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:12,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:13:12,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:12,006 INFO L85 PathProgramCache]: Analyzing trace with hash -724645541, now seen corresponding path program 1 times [2022-12-13 11:13:12,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:12,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606870196] [2022-12-13 11:13:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:12,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:13:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:13:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:13:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:13:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:13:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:13:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:13:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:13:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:13:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:13:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:13:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:13:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:13:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:13:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:13:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:13:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 11:13:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 11:13:12,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:12,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606870196] [2022-12-13 11:13:12,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606870196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:12,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:12,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:13:12,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846022954] [2022-12-13 11:13:12,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:12,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:12,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:12,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:12,788 INFO L87 Difference]: Start difference. First operand has 2528 states, 1635 states have (on average 1.290519877675841) internal successors, (2110), 1705 states have internal predecessors, (2110), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:13:19,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:19,565 INFO L93 Difference]: Finished difference Result 7590 states and 11136 transitions. [2022-12-13 11:13:19,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:13:19,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 195 [2022-12-13 11:13:19,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:19,601 INFO L225 Difference]: With dead ends: 7590 [2022-12-13 11:13:19,601 INFO L226 Difference]: Without dead ends: 5086 [2022-12-13 11:13:19,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:19,619 INFO L413 NwaCegarLoop]: 2518 mSDtfsCounter, 4747 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 4684 mSolverCounterSat, 2316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5485 SdHoareTripleChecker+Valid, 5437 SdHoareTripleChecker+Invalid, 7000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2316 IncrementalHoareTripleChecker+Valid, 4684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:19,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5485 Valid, 5437 Invalid, 7000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2316 Valid, 4684 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 11:13:19,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5086 states. [2022-12-13 11:13:19,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5086 to 4894. [2022-12-13 11:13:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4894 states, 3179 states have (on average 1.2897137464611512) internal successors, (4100), 3318 states have internal predecessors, (4100), 1480 states have call successors, (1480), 233 states have call predecessors, (1480), 232 states have return successors, (1476), 1390 states have call predecessors, (1476), 1476 states have call successors, (1476) [2022-12-13 11:13:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 7056 transitions. [2022-12-13 11:13:19,889 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 7056 transitions. Word has length 195 [2022-12-13 11:13:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:19,890 INFO L495 AbstractCegarLoop]: Abstraction has 4894 states and 7056 transitions. [2022-12-13 11:13:19,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:13:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 7056 transitions. [2022-12-13 11:13:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-13 11:13:19,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:19,899 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:19,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:13:19,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:13:19,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:19,900 INFO L85 PathProgramCache]: Analyzing trace with hash -939181249, now seen corresponding path program 1 times [2022-12-13 11:13:19,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:19,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965997042] [2022-12-13 11:13:19,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:19,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:13:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:13:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:13:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:13:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:13:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:13:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:13:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:13:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:13:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:13:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:13:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:13:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:13:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:13:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:13:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:13:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 11:13:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 11:13:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 11:13:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 11:13:20,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:20,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965997042] [2022-12-13 11:13:20,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965997042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:20,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:20,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:13:20,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465410126] [2022-12-13 11:13:20,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:20,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:20,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:20,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:20,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:20,357 INFO L87 Difference]: Start difference. First operand 4894 states and 7056 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 11:13:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:27,102 INFO L93 Difference]: Finished difference Result 14588 states and 21131 transitions. [2022-12-13 11:13:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:13:27,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 206 [2022-12-13 11:13:27,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:27,150 INFO L225 Difference]: With dead ends: 14588 [2022-12-13 11:13:27,150 INFO L226 Difference]: Without dead ends: 9729 [2022-12-13 11:13:27,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:27,171 INFO L413 NwaCegarLoop]: 2521 mSDtfsCounter, 4513 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 4629 mSolverCounterSat, 2325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5218 SdHoareTripleChecker+Valid, 5489 SdHoareTripleChecker+Invalid, 6954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 4629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:27,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5218 Valid, 5489 Invalid, 6954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2325 Valid, 4629 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-12-13 11:13:27,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9729 states. [2022-12-13 11:13:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9729 to 9335. [2022-12-13 11:13:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9335 states, 6032 states have (on average 1.2863063660477454) internal successors, (7759), 6308 states have internal predecessors, (7759), 2843 states have call successors, (2843), 454 states have call predecessors, (2843), 457 states have return successors, (2879), 2660 states have call predecessors, (2879), 2839 states have call successors, (2879) [2022-12-13 11:13:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9335 states to 9335 states and 13481 transitions. [2022-12-13 11:13:27,528 INFO L78 Accepts]: Start accepts. Automaton has 9335 states and 13481 transitions. Word has length 206 [2022-12-13 11:13:27,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:27,529 INFO L495 AbstractCegarLoop]: Abstraction has 9335 states and 13481 transitions. [2022-12-13 11:13:27,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 11:13:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 9335 states and 13481 transitions. [2022-12-13 11:13:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 11:13:27,532 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:27,533 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:27,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:13:27,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:13:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash 434494777, now seen corresponding path program 1 times [2022-12-13 11:13:27,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:27,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606158988] [2022-12-13 11:13:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:13:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:13:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:13:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:13:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:13:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:13:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:13:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:13:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:13:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:13:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:13:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:13:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:13:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:13:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:13:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:13:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 11:13:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 11:13:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 11:13:28,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:28,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606158988] [2022-12-13 11:13:28,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606158988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:28,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:28,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 11:13:28,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195301] [2022-12-13 11:13:28,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:28,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:13:28,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:28,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:13:28,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:13:28,111 INFO L87 Difference]: Start difference. First operand 9335 states and 13481 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 11:13:40,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:40,529 INFO L93 Difference]: Finished difference Result 27475 states and 39820 transitions. [2022-12-13 11:13:40,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:13:40,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2022-12-13 11:13:40,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:40,610 INFO L225 Difference]: With dead ends: 27475 [2022-12-13 11:13:40,610 INFO L226 Difference]: Without dead ends: 18175 [2022-12-13 11:13:40,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:13:40,643 INFO L413 NwaCegarLoop]: 3032 mSDtfsCounter, 10764 mSDsluCounter, 4920 mSDsCounter, 0 mSdLazyCounter, 11074 mSolverCounterSat, 5636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12112 SdHoareTripleChecker+Valid, 7952 SdHoareTripleChecker+Invalid, 16710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5636 IncrementalHoareTripleChecker+Valid, 11074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:40,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12112 Valid, 7952 Invalid, 16710 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5636 Valid, 11074 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-12-13 11:13:40,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18175 states. [2022-12-13 11:13:41,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18175 to 17405. [2022-12-13 11:13:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17405 states, 11228 states have (on average 1.2881189882436765) internal successors, (14463), 11764 states have internal predecessors, (14463), 5297 states have call successors, (5297), 874 states have call predecessors, (5297), 877 states have return successors, (5346), 4924 states have call predecessors, (5346), 5293 states have call successors, (5346) [2022-12-13 11:13:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17405 states to 17405 states and 25106 transitions. [2022-12-13 11:13:41,447 INFO L78 Accepts]: Start accepts. Automaton has 17405 states and 25106 transitions. Word has length 212 [2022-12-13 11:13:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:41,448 INFO L495 AbstractCegarLoop]: Abstraction has 17405 states and 25106 transitions. [2022-12-13 11:13:41,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 11:13:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 17405 states and 25106 transitions. [2022-12-13 11:13:41,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-13 11:13:41,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:41,455 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:41,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:13:41,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:13:41,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1299327039, now seen corresponding path program 1 times [2022-12-13 11:13:41,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:41,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404698008] [2022-12-13 11:13:41,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:41,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:13:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:13:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:13:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:13:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:13:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:13:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:13:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:13:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:13:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:13:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:13:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:13:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:13:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:13:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:13:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:13:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 11:13:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:13:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 11:13:41,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:41,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404698008] [2022-12-13 11:13:41,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404698008] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:41,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:41,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:13:41,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830429196] [2022-12-13 11:13:41,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:41,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:41,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:41,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:41,806 INFO L87 Difference]: Start difference. First operand 17405 states and 25106 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 11:13:48,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:48,439 INFO L93 Difference]: Finished difference Result 45993 states and 66356 transitions. [2022-12-13 11:13:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:13:48,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 209 [2022-12-13 11:13:48,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:48,603 INFO L225 Difference]: With dead ends: 45993 [2022-12-13 11:13:48,603 INFO L226 Difference]: Without dead ends: 28623 [2022-12-13 11:13:48,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:48,699 INFO L413 NwaCegarLoop]: 2427 mSDtfsCounter, 4326 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 4567 mSolverCounterSat, 2227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4930 SdHoareTripleChecker+Valid, 5349 SdHoareTripleChecker+Invalid, 6794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2227 IncrementalHoareTripleChecker+Valid, 4567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:48,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4930 Valid, 5349 Invalid, 6794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2227 Valid, 4567 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-13 11:13:48,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28623 states. [2022-12-13 11:13:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28623 to 27861. [2022-12-13 11:13:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27861 states, 18036 states have (on average 1.2834331337325349) internal successors, (23148), 18930 states have internal predecessors, (23148), 8306 states have call successors, (8306), 1463 states have call predecessors, (8306), 1516 states have return successors, (8616), 7683 states have call predecessors, (8616), 8302 states have call successors, (8616) [2022-12-13 11:13:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27861 states to 27861 states and 40070 transitions. [2022-12-13 11:13:49,823 INFO L78 Accepts]: Start accepts. Automaton has 27861 states and 40070 transitions. Word has length 209 [2022-12-13 11:13:49,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:49,824 INFO L495 AbstractCegarLoop]: Abstraction has 27861 states and 40070 transitions. [2022-12-13 11:13:49,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 11:13:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 27861 states and 40070 transitions. [2022-12-13 11:13:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 11:13:49,827 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:49,827 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:49,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:13:49,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:13:49,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:49,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2118739261, now seen corresponding path program 1 times [2022-12-13 11:13:49,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:49,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220122790] [2022-12-13 11:13:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:13:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:13:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:13:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:13:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:13:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:13:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:13:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:13:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:13:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:13:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:13:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:13:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:13:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:13:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:13:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:13:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:13:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 11:13:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 11:13:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 11:13:50,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:50,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220122790] [2022-12-13 11:13:50,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220122790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:50,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:50,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:13:50,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213673915] [2022-12-13 11:13:50,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:50,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:13:50,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:50,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:13:50,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:13:50,235 INFO L87 Difference]: Start difference. First operand 27861 states and 40070 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 11:13:57,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:57,226 INFO L93 Difference]: Finished difference Result 83275 states and 119915 transitions. [2022-12-13 11:13:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:13:57,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 212 [2022-12-13 11:13:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:57,493 INFO L225 Difference]: With dead ends: 83275 [2022-12-13 11:13:57,493 INFO L226 Difference]: Without dead ends: 55449 [2022-12-13 11:13:57,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:13:57,584 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 4601 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 4611 mSolverCounterSat, 2311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5318 SdHoareTripleChecker+Valid, 5717 SdHoareTripleChecker+Invalid, 6922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2311 IncrementalHoareTripleChecker+Valid, 4611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:57,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5318 Valid, 5717 Invalid, 6922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2311 Valid, 4611 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-13 11:13:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55449 states. [2022-12-13 11:13:59,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55449 to 53925. [2022-12-13 11:13:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53925 states, 34891 states have (on average 1.2846292740248202) internal successors, (44822), 36665 states have internal predecessors, (44822), 16056 states have call successors, (16056), 2872 states have call predecessors, (16056), 2975 states have return successors, (16640), 14805 states have call predecessors, (16640), 16052 states have call successors, (16640) [2022-12-13 11:13:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53925 states to 53925 states and 77518 transitions. [2022-12-13 11:13:59,751 INFO L78 Accepts]: Start accepts. Automaton has 53925 states and 77518 transitions. Word has length 212 [2022-12-13 11:13:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:59,752 INFO L495 AbstractCegarLoop]: Abstraction has 53925 states and 77518 transitions. [2022-12-13 11:13:59,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 11:13:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 53925 states and 77518 transitions. [2022-12-13 11:13:59,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-12-13 11:13:59,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:59,759 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:59,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:13:59,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:13:59,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:59,759 INFO L85 PathProgramCache]: Analyzing trace with hash -634178468, now seen corresponding path program 1 times [2022-12-13 11:13:59,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:59,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626274837] [2022-12-13 11:13:59,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:59,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:13:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:13:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:13:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:13:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:13:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:13:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:13:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:13:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:13:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:13:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:13:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:14:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:14:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:14:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:14:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:14:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 11:14:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 11:14:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 11:14:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 11:14:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 11:14:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-12-13 11:14:00,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:14:00,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626274837] [2022-12-13 11:14:00,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626274837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:14:00,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:14:00,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:14:00,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961600313] [2022-12-13 11:14:00,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:14:00,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:14:00,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:14:00,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:14:00,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:14:00,080 INFO L87 Difference]: Start difference. First operand 53925 states and 77518 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 11:14:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:14:09,951 INFO L93 Difference]: Finished difference Result 152433 states and 219712 transitions. [2022-12-13 11:14:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:14:09,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 239 [2022-12-13 11:14:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:14:10,385 INFO L225 Difference]: With dead ends: 152433 [2022-12-13 11:14:10,385 INFO L226 Difference]: Without dead ends: 98543 [2022-12-13 11:14:10,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:14:10,586 INFO L413 NwaCegarLoop]: 2688 mSDtfsCounter, 4727 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 4673 mSolverCounterSat, 2318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5472 SdHoareTripleChecker+Valid, 5742 SdHoareTripleChecker+Invalid, 6991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2318 IncrementalHoareTripleChecker+Valid, 4673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:14:10,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5472 Valid, 5742 Invalid, 6991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2318 Valid, 4673 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 11:14:10,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98543 states. [2022-12-13 11:14:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98543 to 96339. [2022-12-13 11:14:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96339 states, 62248 states have (on average 1.2842982907081353) internal successors, (79945), 65425 states have internal predecessors, (79945), 28802 states have call successors, (28802), 5085 states have call predecessors, (28802), 5286 states have return successors, (29960), 26570 states have call predecessors, (29960), 28798 states have call successors, (29960) [2022-12-13 11:14:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96339 states to 96339 states and 138707 transitions. [2022-12-13 11:14:14,687 INFO L78 Accepts]: Start accepts. Automaton has 96339 states and 138707 transitions. Word has length 239 [2022-12-13 11:14:14,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:14:14,688 INFO L495 AbstractCegarLoop]: Abstraction has 96339 states and 138707 transitions. [2022-12-13 11:14:14,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 11:14:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 96339 states and 138707 transitions. [2022-12-13 11:14:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-13 11:14:14,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:14:14,695 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:14:14,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:14:14,695 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:14:14,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:14:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1690467246, now seen corresponding path program 1 times [2022-12-13 11:14:14,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:14:14,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359185844] [2022-12-13 11:14:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:14:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:14:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:14:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:14:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:14:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:14:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:14:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:14:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:14:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:14:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:14:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:14:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:14:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:14:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:14:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:14:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:14:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:14:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:14:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:14:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:14:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:14:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:14:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:14:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:14:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2022-12-13 11:14:14,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:14:14,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359185844] [2022-12-13 11:14:14,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359185844] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:14:14,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:14:14,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 11:14:14,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323268972] [2022-12-13 11:14:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:14:14,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:14:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:14:15,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:14:15,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:14:15,000 INFO L87 Difference]: Start difference. First operand 96339 states and 138707 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 11:14:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:14:28,356 INFO L93 Difference]: Finished difference Result 287841 states and 415459 transitions. [2022-12-13 11:14:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 11:14:28,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2022-12-13 11:14:28,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:14:29,442 INFO L225 Difference]: With dead ends: 287841 [2022-12-13 11:14:29,442 INFO L226 Difference]: Without dead ends: 192537 [2022-12-13 11:14:29,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:14:29,804 INFO L413 NwaCegarLoop]: 3153 mSDtfsCounter, 4051 mSDsluCounter, 3417 mSDsCounter, 0 mSdLazyCounter, 5509 mSolverCounterSat, 1907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4781 SdHoareTripleChecker+Valid, 6570 SdHoareTripleChecker+Invalid, 7416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1907 IncrementalHoareTripleChecker+Valid, 5509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:14:29,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4781 Valid, 6570 Invalid, 7416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1907 Valid, 5509 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 11:14:29,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192537 states. [2022-12-13 11:14:36,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192537 to 188273. [2022-12-13 11:14:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188273 states, 121588 states have (on average 1.2846744744547158) internal successors, (156201), 127683 states have internal predecessors, (156201), 56322 states have call successors, (56322), 9925 states have call predecessors, (56322), 10360 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2022-12-13 11:14:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188273 states to 188273 states and 271165 transitions. [2022-12-13 11:14:38,037 INFO L78 Accepts]: Start accepts. Automaton has 188273 states and 271165 transitions. Word has length 253 [2022-12-13 11:14:38,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:14:38,038 INFO L495 AbstractCegarLoop]: Abstraction has 188273 states and 271165 transitions. [2022-12-13 11:14:38,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 11:14:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 188273 states and 271165 transitions. [2022-12-13 11:14:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-13 11:14:38,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:14:38,045 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:14:38,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:14:38,045 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:14:38,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:14:38,045 INFO L85 PathProgramCache]: Analyzing trace with hash 232760788, now seen corresponding path program 1 times [2022-12-13 11:14:38,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:14:38,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683129315] [2022-12-13 11:14:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:14:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:14:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:14:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:14:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:14:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:14:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:14:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:14:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:14:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:14:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:14:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:14:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:14:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:14:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:14:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:14:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:14:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:14:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:14:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:14:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:14:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:14:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:14:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:14:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:14:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-12-13 11:14:38,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:14:38,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683129315] [2022-12-13 11:14:38,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683129315] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:14:38,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:14:38,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:14:38,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555565532] [2022-12-13 11:14:38,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:14:38,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:14:38,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:14:38,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:14:38,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:14:38,994 INFO L87 Difference]: Start difference. First operand 188273 states and 271165 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 11:14:50,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:14:50,076 INFO L93 Difference]: Finished difference Result 192539 states and 277913 transitions. [2022-12-13 11:14:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:14:50,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 253 [2022-12-13 11:14:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:14:51,038 INFO L225 Difference]: With dead ends: 192539 [2022-12-13 11:14:51,039 INFO L226 Difference]: Without dead ends: 192537 [2022-12-13 11:14:51,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:14:51,126 INFO L413 NwaCegarLoop]: 2127 mSDtfsCounter, 3539 mSDsluCounter, 4719 mSDsCounter, 0 mSdLazyCounter, 5767 mSolverCounterSat, 1903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 6846 SdHoareTripleChecker+Invalid, 7670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1903 IncrementalHoareTripleChecker+Valid, 5767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:14:51,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3908 Valid, 6846 Invalid, 7670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1903 Valid, 5767 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 11:14:51,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192537 states. [2022-12-13 11:14:59,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192537 to 188277. [2022-12-13 11:14:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188277 states, 121591 states have (on average 1.2846674507159248) internal successors, (156204), 127686 states have internal predecessors, (156204), 56322 states have call successors, (56322), 9926 states have call predecessors, (56322), 10361 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2022-12-13 11:15:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188277 states to 188277 states and 271168 transitions. [2022-12-13 11:15:00,454 INFO L78 Accepts]: Start accepts. Automaton has 188277 states and 271168 transitions. Word has length 253 [2022-12-13 11:15:00,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:15:00,455 INFO L495 AbstractCegarLoop]: Abstraction has 188277 states and 271168 transitions. [2022-12-13 11:15:00,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 11:15:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand 188277 states and 271168 transitions. [2022-12-13 11:15:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-13 11:15:00,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:15:00,462 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:15:00,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:15:00,462 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:15:00,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:15:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash -518075085, now seen corresponding path program 1 times [2022-12-13 11:15:00,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:15:00,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229954013] [2022-12-13 11:15:00,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:15:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:15:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:15:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:15:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:15:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:15:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:15:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:15:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:15:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:15:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:15:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:15:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:15:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:15:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:15:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:15:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:15:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:15:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:15:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:15:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:15:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:15:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:15:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:15:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:15:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 11:15:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-12-13 11:15:01,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:15:01,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229954013] [2022-12-13 11:15:01,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229954013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:15:01,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:15:01,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:15:01,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970646425] [2022-12-13 11:15:01,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:15:01,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:15:01,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:15:01,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:15:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:15:01,291 INFO L87 Difference]: Start difference. First operand 188277 states and 271168 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 11:15:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:15:12,596 INFO L93 Difference]: Finished difference Result 192543 states and 277916 transitions. [2022-12-13 11:15:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:15:12,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 258 [2022-12-13 11:15:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:15:13,558 INFO L225 Difference]: With dead ends: 192543 [2022-12-13 11:15:13,558 INFO L226 Difference]: Without dead ends: 192541 [2022-12-13 11:15:13,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:15:13,642 INFO L413 NwaCegarLoop]: 2118 mSDtfsCounter, 3534 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 5767 mSolverCounterSat, 1913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3904 SdHoareTripleChecker+Valid, 6818 SdHoareTripleChecker+Invalid, 7680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1913 IncrementalHoareTripleChecker+Valid, 5767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:15:13,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3904 Valid, 6818 Invalid, 7680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1913 Valid, 5767 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 11:15:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192541 states. [2022-12-13 11:15:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192541 to 188281. [2022-12-13 11:15:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188281 states, 121594 states have (on average 1.2846604273237165) internal successors, (156207), 127689 states have internal predecessors, (156207), 56322 states have call successors, (56322), 9927 states have call predecessors, (56322), 10362 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2022-12-13 11:15:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188281 states to 188281 states and 271171 transitions. [2022-12-13 11:15:22,966 INFO L78 Accepts]: Start accepts. Automaton has 188281 states and 271171 transitions. Word has length 258 [2022-12-13 11:15:22,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:15:22,967 INFO L495 AbstractCegarLoop]: Abstraction has 188281 states and 271171 transitions. [2022-12-13 11:15:22,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 11:15:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 188281 states and 271171 transitions. [2022-12-13 11:15:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-13 11:15:22,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:15:22,975 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:15:22,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:15:22,976 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:15:22,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:15:22,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1554342622, now seen corresponding path program 1 times [2022-12-13 11:15:22,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:15:22,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668231527] [2022-12-13 11:15:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:15:22,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:15:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:15:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:15:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:15:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:15:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:15:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:15:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:15:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:15:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:15:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:15:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:15:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:15:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:15:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:15:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:15:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:15:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:15:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:15:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:15:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:15:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:15:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:15:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 11:15:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 11:15:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:15:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 11:15:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 11:15:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2022-12-13 11:15:23,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:15:23,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668231527] [2022-12-13 11:15:23,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668231527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:15:23,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:15:23,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:15:23,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479099750] [2022-12-13 11:15:23,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:15:23,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:15:23,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:15:23,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:15:23,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:15:23,379 INFO L87 Difference]: Start difference. First operand 188281 states and 271171 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 11:15:48,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:15:48,156 INFO L93 Difference]: Finished difference Result 473930 states and 683883 transitions. [2022-12-13 11:15:48,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:15:48,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 273 [2022-12-13 11:15:48,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:15:49,677 INFO L225 Difference]: With dead ends: 473930 [2022-12-13 11:15:49,677 INFO L226 Difference]: Without dead ends: 286684 [2022-12-13 11:15:50,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:15:50,585 INFO L413 NwaCegarLoop]: 3346 mSDtfsCounter, 4501 mSDsluCounter, 5302 mSDsCounter, 0 mSdLazyCounter, 8004 mSolverCounterSat, 4033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 8648 SdHoareTripleChecker+Invalid, 12037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4033 IncrementalHoareTripleChecker+Valid, 8004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:15:50,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 8648 Invalid, 12037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4033 Valid, 8004 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-12-13 11:15:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286684 states. [2022-12-13 11:16:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286684 to 280263. [2022-12-13 11:16:06,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280263 states, 180982 states have (on average 1.284718922323767) internal successors, (232511), 189995 states have internal predecessors, (232511), 83842 states have call successors, (83842), 14767 states have call predecessors, (83842), 15436 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2022-12-13 11:16:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280263 states to 280263 states and 403677 transitions. [2022-12-13 11:16:08,179 INFO L78 Accepts]: Start accepts. Automaton has 280263 states and 403677 transitions. Word has length 273 [2022-12-13 11:16:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:08,180 INFO L495 AbstractCegarLoop]: Abstraction has 280263 states and 403677 transitions. [2022-12-13 11:16:08,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 11:16:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 280263 states and 403677 transitions. [2022-12-13 11:16:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-12-13 11:16:08,189 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:08,189 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:08,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:16:08,190 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:16:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1819902196, now seen corresponding path program 1 times [2022-12-13 11:16:08,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:08,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078538235] [2022-12-13 11:16:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:08,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:16:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:16:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:16:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:16:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:16:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:16:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:16:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:16:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:16:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:16:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:16:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:16:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:16:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:16:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:16:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:16:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:16:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:16:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:16:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:16:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:16:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:16:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:16:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 11:16:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 11:16:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2022-12-13 11:16:08,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:08,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078538235] [2022-12-13 11:16:08,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078538235] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:08,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:08,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:16:08,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860688384] [2022-12-13 11:16:08,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:08,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:16:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:08,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:16:08,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:16:08,723 INFO L87 Difference]: Start difference. First operand 280263 states and 403677 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 11:16:28,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:16:28,505 INFO L93 Difference]: Finished difference Result 286659 states and 413789 transitions. [2022-12-13 11:16:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:16:28,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2022-12-13 11:16:28,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:29,921 INFO L225 Difference]: With dead ends: 286659 [2022-12-13 11:16:29,922 INFO L226 Difference]: Without dead ends: 286657 [2022-12-13 11:16:30,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:16:30,068 INFO L413 NwaCegarLoop]: 2124 mSDtfsCounter, 3532 mSDsluCounter, 4713 mSDsCounter, 0 mSdLazyCounter, 5776 mSolverCounterSat, 1903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 7679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1903 IncrementalHoareTripleChecker+Valid, 5776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:30,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 6837 Invalid, 7679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1903 Valid, 5776 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 11:16:30,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286657 states. [2022-12-13 11:16:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286657 to 280267. [2022-12-13 11:16:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280267 states, 180985 states have (on average 1.2847142028344891) internal successors, (232514), 189998 states have internal predecessors, (232514), 83842 states have call successors, (83842), 14768 states have call predecessors, (83842), 15437 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2022-12-13 11:16:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280267 states to 280267 states and 403680 transitions. [2022-12-13 11:16:48,174 INFO L78 Accepts]: Start accepts. Automaton has 280267 states and 403680 transitions. Word has length 263 [2022-12-13 11:16:48,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:48,174 INFO L495 AbstractCegarLoop]: Abstraction has 280267 states and 403680 transitions. [2022-12-13 11:16:48,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 11:16:48,175 INFO L276 IsEmpty]: Start isEmpty. Operand 280267 states and 403680 transitions. [2022-12-13 11:16:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-12-13 11:16:48,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:48,185 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:48,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:16:48,186 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:16:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1505028717, now seen corresponding path program 1 times [2022-12-13 11:16:48,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:48,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188182815] [2022-12-13 11:16:48,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:16:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:16:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:16:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:16:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:16:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:16:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:16:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:16:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:16:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:16:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:16:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:16:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:16:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:16:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:16:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:16:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:16:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:16:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:16:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:16:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:16:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:16:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:16:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 11:16:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 11:16:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 11:16:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2022-12-13 11:16:48,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:48,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188182815] [2022-12-13 11:16:48,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188182815] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:48,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:48,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:16:48,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689010677] [2022-12-13 11:16:48,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:48,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:16:48,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:48,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:16:48,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:16:48,723 INFO L87 Difference]: Start difference. First operand 280267 states and 403680 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 11:17:10,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:17:10,292 INFO L93 Difference]: Finished difference Result 286663 states and 413792 transitions. [2022-12-13 11:17:10,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:17:10,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 268 [2022-12-13 11:17:10,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:17:11,797 INFO L225 Difference]: With dead ends: 286663 [2022-12-13 11:17:11,797 INFO L226 Difference]: Without dead ends: 286661 [2022-12-13 11:17:11,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:17:11,954 INFO L413 NwaCegarLoop]: 2122 mSDtfsCounter, 3533 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 5773 mSolverCounterSat, 1903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 6830 SdHoareTripleChecker+Invalid, 7676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1903 IncrementalHoareTripleChecker+Valid, 5773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:17:11,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3903 Valid, 6830 Invalid, 7676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1903 Valid, 5773 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 11:17:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286661 states. [2022-12-13 11:17:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286661 to 280271. [2022-12-13 11:17:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280271 states, 180988 states have (on average 1.2847094835016686) internal successors, (232517), 190001 states have internal predecessors, (232517), 83842 states have call successors, (83842), 14769 states have call predecessors, (83842), 15438 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2022-12-13 11:17:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280271 states to 280271 states and 403683 transitions. [2022-12-13 11:17:30,869 INFO L78 Accepts]: Start accepts. Automaton has 280271 states and 403683 transitions. Word has length 268 [2022-12-13 11:17:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:17:30,869 INFO L495 AbstractCegarLoop]: Abstraction has 280271 states and 403683 transitions. [2022-12-13 11:17:30,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 11:17:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 280271 states and 403683 transitions. [2022-12-13 11:17:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-12-13 11:17:30,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:17:30,881 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:17:30,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 11:17:30,881 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:17:30,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:30,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2084199404, now seen corresponding path program 1 times [2022-12-13 11:17:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:30,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126133998] [2022-12-13 11:17:30,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:17:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:17:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:17:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:17:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:17:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:17:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:17:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:17:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:17:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:17:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:17:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:17:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:17:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:17:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:17:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:17:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:17:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:17:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:17:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:17:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:17:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:17:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:17:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:17:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 11:17:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 11:17:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 11:17:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 11:17:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2022-12-13 11:17:31,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:17:31,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126133998] [2022-12-13 11:17:31,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126133998] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:17:31,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:17:31,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:17:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660732073] [2022-12-13 11:17:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:17:31,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:17:31,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:17:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:17:31,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:17:31,415 INFO L87 Difference]: Start difference. First operand 280271 states and 403683 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 11:17:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:17:53,555 INFO L93 Difference]: Finished difference Result 286667 states and 413795 transitions. [2022-12-13 11:17:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:17:53,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 273 [2022-12-13 11:17:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:17:55,097 INFO L225 Difference]: With dead ends: 286667 [2022-12-13 11:17:55,097 INFO L226 Difference]: Without dead ends: 286665 [2022-12-13 11:17:55,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:17:55,259 INFO L413 NwaCegarLoop]: 2122 mSDtfsCounter, 3532 mSDsluCounter, 4709 mSDsCounter, 0 mSdLazyCounter, 5767 mSolverCounterSat, 1908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 6831 SdHoareTripleChecker+Invalid, 7675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1908 IncrementalHoareTripleChecker+Valid, 5767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:17:55,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 6831 Invalid, 7675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1908 Valid, 5767 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 11:17:55,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286665 states. [2022-12-13 11:18:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286665 to 280275. [2022-12-13 11:18:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280275 states, 180991 states have (on average 1.284704764325298) internal successors, (232520), 190004 states have internal predecessors, (232520), 83842 states have call successors, (83842), 14770 states have call predecessors, (83842), 15439 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2022-12-13 11:18:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280275 states to 280275 states and 403686 transitions. [2022-12-13 11:18:15,126 INFO L78 Accepts]: Start accepts. Automaton has 280275 states and 403686 transitions. Word has length 273 [2022-12-13 11:18:15,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:18:15,127 INFO L495 AbstractCegarLoop]: Abstraction has 280275 states and 403686 transitions. [2022-12-13 11:18:15,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 11:18:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 280275 states and 403686 transitions. [2022-12-13 11:18:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 11:18:15,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:18:15,140 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:18:15,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:18:15,141 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:18:15,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:18:15,141 INFO L85 PathProgramCache]: Analyzing trace with hash 787617267, now seen corresponding path program 1 times [2022-12-13 11:18:15,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:18:15,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134408395] [2022-12-13 11:18:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:18:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:18:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:18:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:18:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:18:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:18:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:18:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:18:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:18:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:18:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:18:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:18:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:18:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:18:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:18:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:18:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:18:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:18:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:18:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:18:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:18:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:18:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:18:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:18:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:18:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:18:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 11:18:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 11:18:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 11:18:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 11:18:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 11:18:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:18:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2022-12-13 11:18:15,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:18:15,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134408395] [2022-12-13 11:18:15,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134408395] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:18:15,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:18:15,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:18:15,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536456088] [2022-12-13 11:18:15,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:18:15,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:18:15,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:18:15,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:18:15,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:18:15,662 INFO L87 Difference]: Start difference. First operand 280275 states and 403686 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 11:18:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:18:51,824 INFO L93 Difference]: Finished difference Result 461515 states and 666226 transitions. [2022-12-13 11:18:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 11:18:51,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2022-12-13 11:18:51,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:18:54,490 INFO L225 Difference]: With dead ends: 461515 [2022-12-13 11:18:54,490 INFO L226 Difference]: Without dead ends: 461513 [2022-12-13 11:18:54,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 11:18:54,781 INFO L413 NwaCegarLoop]: 2539 mSDtfsCounter, 4282 mSDsluCounter, 6328 mSDsCounter, 0 mSdLazyCounter, 8888 mSolverCounterSat, 1996 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 8867 SdHoareTripleChecker+Invalid, 10884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1996 IncrementalHoareTripleChecker+Valid, 8888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 11:18:54,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4868 Valid, 8867 Invalid, 10884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1996 Valid, 8888 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 11:18:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461513 states. [2022-12-13 11:19:24,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461513 to 449431. [2022-12-13 11:19:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449431 states, 283150 states have (on average 1.2777644358114073) internal successors, (361799), 299951 states have internal predecessors, (361799), 138550 states have call successors, (138550), 26807 states have call predecessors, (138550), 27728 states have return successors, (146742), 126398 states have call predecessors, (146742), 138546 states have call successors, (146742) [2022-12-13 11:19:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449431 states to 449431 states and 647091 transitions. [2022-12-13 11:19:28,853 INFO L78 Accepts]: Start accepts. Automaton has 449431 states and 647091 transitions. Word has length 278 [2022-12-13 11:19:28,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:19:28,854 INFO L495 AbstractCegarLoop]: Abstraction has 449431 states and 647091 transitions. [2022-12-13 11:19:28,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 11:19:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 449431 states and 647091 transitions. [2022-12-13 11:19:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-12-13 11:19:28,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:19:28,878 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:19:28,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 11:19:28,878 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 11:19:28,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:19:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash -276164812, now seen corresponding path program 1 times [2022-12-13 11:19:28,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:19:28,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199721316] [2022-12-13 11:19:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:19:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:19:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 11:19:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 11:19:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 11:19:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 11:19:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 11:19:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 11:19:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 11:19:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 11:19:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 11:19:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:19:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:19:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:19:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:19:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:19:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:19:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:19:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:19:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:19:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:19:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:19:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:19:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 11:19:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 11:19:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 11:19:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 11:19:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 11:19:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 11:19:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-12-13 11:19:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 11:19:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-12-13 11:19:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:19:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2022-12-13 11:19:29,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:19:29,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199721316] [2022-12-13 11:19:29,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199721316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:19:29,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:19:29,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:19:29,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883998600] [2022-12-13 11:19:29,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:19:29,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:19:29,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:19:29,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:19:29,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:19:29,532 INFO L87 Difference]: Start difference. First operand 449431 states and 647091 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)