./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-ethernet-atheros-atlx-atl2.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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- 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 [2022-12-14 05:54:05,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:54:05,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:54:05,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:54:05,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:54:05,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:54:05,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:54:05,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:54:05,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:54:05,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:54:05,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:54:05,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:54:05,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:54:05,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:54:05,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:54:05,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:54:05,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:54:05,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:54:05,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:54:05,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:54:05,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:54:05,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:54:05,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:54:05,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:54:05,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:54:05,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:54:05,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:54:05,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:54:05,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:54:05,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:54:05,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:54:05,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:54:05,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:54:05,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:54:05,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:54:05,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:54:05,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:54:05,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:54:05,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:54:05,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:54:05,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:54:05,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:54:05,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:54:05,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:54:05,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:54:05,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:54:05,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:54:05,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:54:05,192 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:54:05,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:54:05,192 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:54:05,193 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:54:05,193 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:54:05,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:54:05,193 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:54:05,193 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:54:05,193 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:54:05,194 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:54:05,194 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:54:05,194 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:54:05,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:54:05,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:54:05,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:54:05,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:54:05,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:54:05,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:54:05,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:54:05,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:54:05,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:54:05,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:54:05,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:54:05,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:54:05,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:54:05,197 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:54:05,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:54:05,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:54:05,198 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:54:05,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:54:05,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:54:05,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:54:05,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2022-12-14 05:54:05,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:54:05,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:54:05,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:54:05,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:54:05,421 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:54:05,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-12-14 05:54:08,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:54:08,537 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:54:08,538 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-12-14 05:54:08,573 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/data/cc087e2fa/8a4250477eb24b9d84671f16ffbd4cd2/FLAG3bd1daec3 [2022-12-14 05:54:08,588 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/data/cc087e2fa/8a4250477eb24b9d84671f16ffbd4cd2 [2022-12-14 05:54:08,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:54:08,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:54:08,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:54:08,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:54:08,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:54:08,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:08" (1/1) ... [2022-12-14 05:54:08,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2646de96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:08, skipping insertion in model container [2022-12-14 05:54:08,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:08" (1/1) ... [2022-12-14 05:54:08,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:54:08,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:54:09,292 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:09,302 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-14 05:54:09,310 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-14 05:54:09,333 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:54:09,344 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:54:09,355 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 05:54:09,408 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:54:09,423 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 05:54:09,477 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:09,517 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 05:54:09,522 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:09,525 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 05:54:09,532 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 05:54:09,546 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 05:54:09,601 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 05:54:09,602 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 05:54:09,613 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:09,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:09,643 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 05:54:09,675 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:09,676 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:09,686 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:09,687 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:09,687 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 05:54:09,716 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 05:54:09,720 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 05:54:09,725 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 05:54:09,758 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 05:54:09,789 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 05:54:09,838 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 05:54:09,909 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:54:09,913 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:09,914 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,914 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,915 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,923 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,924 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,925 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,925 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,925 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,926 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,926 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,927 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,927 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,928 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,929 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,930 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,931 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,932 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,932 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,933 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,933 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,934 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,934 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,935 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:09,935 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:09,936 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:09,936 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:09,937 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,937 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,954 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,955 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:09,960 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,961 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:09,961 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 05:54:09,972 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:09,972 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:09,993 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:54:09,993 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 05:54:09,994 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 05:54:09,997 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:10,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,013 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:10,022 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,022 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,023 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,023 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,024 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,024 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,024 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,025 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,026 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,030 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 05:54:10,041 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 05:54:10,042 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,042 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,047 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,048 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:10,052 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 05:54:10,057 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:10,074 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:10,079 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,103 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,104 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,104 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 05:54:10,114 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,114 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,119 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:10,120 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,130 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,135 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,135 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,136 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:10,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,138 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 05:54:10,139 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,139 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,139 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:10,140 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 05:54:10,154 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 05:54:10,154 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 05:54:10,159 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:54:10,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,160 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 05:54:10,161 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:54:10,162 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 05:54:10,164 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:54:10,164 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:54:10,165 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:54:10,165 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:54:10,166 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:54:10,166 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:54:10,168 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:10,169 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:54:10,169 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:54:10,169 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:54:10,174 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:54:10,174 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:54:10,174 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:54:10,175 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:54:10,175 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:54:10,180 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 05:54:10,180 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:10,181 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 05:54:10,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,182 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,183 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,183 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,184 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,184 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,184 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,184 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:10,185 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,185 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,186 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,186 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,186 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,187 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,187 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:10,187 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,188 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,188 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,188 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,188 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,189 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:10,189 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:54:10,189 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:10,189 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 05:54:10,194 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 05:54:10,194 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 05:54:10,195 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:54:10,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,195 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:54:10,196 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,196 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,197 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 05:54:10,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,221 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,240 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,241 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,241 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,241 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,242 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,242 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,242 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,243 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,243 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,243 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,244 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,244 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,244 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,245 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,245 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,245 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,246 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,246 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,246 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,246 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,247 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,247 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,247 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,248 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,248 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,248 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,249 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,249 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,249 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,250 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,250 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,250 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,251 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,251 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,251 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,252 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,252 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,252 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,252 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,263 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:54:10,270 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:54:10,274 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:10,274 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:10,274 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:10,275 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:10,290 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,290 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,290 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,291 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,296 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,296 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,296 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,297 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,297 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,297 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,298 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,310 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,310 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,317 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 05:54:10,318 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,319 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,324 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,325 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,330 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,331 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,331 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,332 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,332 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,333 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,333 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,333 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:10,334 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,334 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,336 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,337 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:54:10,337 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,338 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,338 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:54:10,339 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,351 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,351 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,353 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:10,353 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,353 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,354 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,355 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,356 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,356 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,357 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,357 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 05:54:10,358 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,358 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:10,358 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:10,358 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,359 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:10,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:10,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:10,699 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 05:54:10,701 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 05:54:10,703 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 05:54:10,705 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:54:10,705 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:54:10,713 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 05:54:10,714 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 05:54:10,718 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:54:10,718 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:54:10,720 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:54:10,721 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:10,721 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:10,721 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:54:10,721 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:10,722 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:10,722 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:10,722 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:54:10,722 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:10,723 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:54:10,723 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:10,723 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 05:54:10,724 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 05:54:10,724 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:54:10,724 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:10,725 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:10,725 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:54:10,725 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:54:10,726 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 05:54:10,726 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 05:54:10,770 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 05:54:10,771 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:54:10,779 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:54:11,331 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-12-14 05:54:11,334 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-12-14 05:54:11,335 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-12-14 05:54:11,335 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-12-14 05:54:11,336 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,336 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,337 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:54:11,407 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:54:11,494 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:11,495 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-14 05:54:11,495 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-14 05:54:11,496 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:54:11,496 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:54:11,496 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 05:54:11,497 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:54:11,498 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 05:54:11,499 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,504 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 05:54:11,505 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:11,506 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 05:54:11,506 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 05:54:11,507 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 05:54:11,508 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 05:54:11,509 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 05:54:11,510 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:11,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,511 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 05:54:11,513 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:11,513 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:11,514 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:11,514 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:54:11,514 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 05:54:11,515 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 05:54:11,517 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-12-14 05:54:11,520 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 05:54:11,522 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 05:54:11,523 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 05:54:11,526 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 05:54:11,529 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:54:11,530 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,531 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,536 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,536 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,536 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,537 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,538 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,538 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,539 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,539 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,539 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,539 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,540 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,540 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,540 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,540 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,541 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,541 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,541 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,545 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,545 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,546 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,546 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,546 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 05:54:11,547 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,547 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,549 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:54:11,550 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 05:54:11,550 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 05:54:11,552 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,559 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:11,560 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,561 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,561 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,561 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,562 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,562 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,562 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,563 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,563 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,564 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 05:54:11,566 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 05:54:11,566 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,566 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,567 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,568 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:11,568 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 05:54:11,569 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:11,574 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,575 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,578 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,578 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,579 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 05:54:11,580 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,580 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,581 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:11,581 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,583 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,584 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,584 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,585 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:11,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,587 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 05:54:11,587 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,587 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,588 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:11,588 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 05:54:11,590 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 05:54:11,590 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 05:54:11,591 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:54:11,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,591 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 05:54:11,592 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:54:11,594 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 05:54:11,596 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:54:11,596 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:54:11,596 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:54:11,597 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:54:11,597 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:54:11,597 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:54:11,598 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 05:54:11,598 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:54:11,599 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:54:11,599 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:54:11,600 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:54:11,600 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:54:11,600 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 05:54:11,600 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 05:54:11,600 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:54:11,601 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 05:54:11,602 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:54:11,602 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 05:54:11,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,603 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,604 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,604 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,604 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,605 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,605 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,605 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:11,606 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,606 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,606 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,606 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,606 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,607 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,607 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:11,607 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,608 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,608 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,608 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,608 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,609 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:11,609 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 05:54:11,609 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 05:54:11,609 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 05:54:11,610 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 05:54:11,610 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 05:54:11,611 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 05:54:11,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,611 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 05:54:11,611 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,612 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,612 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 05:54:11,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,616 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,619 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,619 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,619 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,620 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,620 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,620 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,620 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,621 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,621 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,621 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,621 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,622 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,622 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,622 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,622 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,623 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,623 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,623 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,624 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,624 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,624 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,624 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,625 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,625 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,625 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,625 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,626 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,626 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,626 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,626 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,627 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,627 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,627 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,627 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,628 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,628 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,628 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,628 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,629 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,631 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:54:11,634 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:54:11,635 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:11,635 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:11,635 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:11,635 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 05:54:11,639 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,639 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,639 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,639 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,640 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,641 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,641 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,641 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,641 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,642 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,642 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,665 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,665 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,668 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 05:54:11,669 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,669 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,670 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,670 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,670 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,671 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,671 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,671 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,672 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,672 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,672 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,673 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 05:54:11,673 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,673 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,675 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:54:11,676 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,677 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,677 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 05:54:11,677 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,678 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,679 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,679 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 05:54:11,680 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,680 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,680 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,681 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,681 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,681 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,682 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 05:54:11,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,682 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 05:54:11,683 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 05:54:11,683 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,683 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 05:54:11,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,685 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:54:11,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,697 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 05:54:11,698 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 05:54:11,700 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 05:54:11,701 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:54:11,701 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:54:11,707 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 05:54:11,708 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 05:54:11,715 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 05:54:11,716 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 05:54:11,719 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:54:11,719 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:11,720 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:11,720 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 05:54:11,720 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:11,720 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:11,721 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:11,721 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:54:11,721 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:11,721 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:54:11,721 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 05:54:11,722 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 05:54:11,722 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 05:54:11,722 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:54:11,722 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:11,723 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:54:11,723 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:54:11,723 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:54:11,723 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 05:54:11,724 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 05:54:11,725 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 05:54:11,726 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:54:11,726 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:54:11,744 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2022-12-14 05:54:11,744 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2022-12-14 05:54:11,745 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2022-12-14 05:54:11,745 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_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2022-12-14 05:54:11,745 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,750 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 05:54:11,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:54:11,943 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:54:11,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11 WrapperNode [2022-12-14 05:54:11,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:54:11,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:54:11,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:54:11,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:54:11,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,142 INFO L138 Inliner]: procedures = 537, calls = 2748, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 6330 [2022-12-14 05:54:12,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:54:12,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:54:12,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:54:12,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:54:12,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:54:12,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:54:12,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:54:12,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:54:12,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (1/1) ... [2022-12-14 05:54:12,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:54:12,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:54:12,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:54:12,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b80ec19e-c619-4fa7-aa7d-1fd7445522e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:54:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 05:54:12,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 05:54:12,428 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2022-12-14 05:54:12,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 05:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2022-12-14 05:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 05:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 05:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 05:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:54:12,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:54:12,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-12-14 05:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 05:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 05:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 05:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-14 05:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-12-14 05:54:12,430 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2022-12-14 05:54:12,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 05:54:12,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 05:54:12,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-12-14 05:54:12,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 05:54:12,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 05:54:12,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 05:54:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2022-12-14 05:54:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2022-12-14 05:54:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 05:54:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2022-12-14 05:54:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 05:54:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:54:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2022-12-14 05:54:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 05:54:12,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 05:54:12,435 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:54:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 05:54:12,436 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 05:54:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 05:54:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2022-12-14 05:54:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2022-12-14 05:54:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 05:54:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 05:54:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2022-12-14 05:54:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2022-12-14 05:54:12,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2022-12-14 05:54:12,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 05:54:12,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 05:54:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 05:54:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 05:54:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2022-12-14 05:54:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2022-12-14 05:54:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 05:54:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 05:54:12,440 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 05:54:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 05:54:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 05:54:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 05:54:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 05:54:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:54:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:54:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2022-12-14 05:54:12,444 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2022-12-14 05:54:12,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 05:54:12,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 05:54:12,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 05:54:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 05:54:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 05:54:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2022-12-14 05:54:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2022-12-14 05:54:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:54:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 05:54:12,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 05:54:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 05:54:13,122 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:54:13,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:54:13,196 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 05:54:19,974 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 05:54:20,371 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:54:21,655 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:54:21,655 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-14 05:54:21,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:21 BoogieIcfgContainer [2022-12-14 05:54:21,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:54:21,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:54:21,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:54:21,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:54:21,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:54:08" (1/3) ... [2022-12-14 05:54:21,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ede016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:54:21, skipping insertion in model container [2022-12-14 05:54:21,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:11" (2/3) ... [2022-12-14 05:54:21,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14ede016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:54:21, skipping insertion in model container [2022-12-14 05:54:21,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:21" (3/3) ... [2022-12-14 05:54:21,666 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2022-12-14 05:54:21,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:54:21,681 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 05:54:21,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:54:21,745 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ef1cdf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:54:21,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 05:54:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 1758 states, 1012 states have (on average 1.2598814229249011) internal successors, (1275), 1034 states have internal predecessors, (1275), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) [2022-12-14 05:54:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 05:54:21,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:54:21,763 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:54:21,764 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)] === [2022-12-14 05:54:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:54:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash -2117013878, now seen corresponding path program 1 times [2022-12-14 05:54:21,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:54:21,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476275098] [2022-12-14 05:54:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:54:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:54:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:54:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-12-14 05:54:22,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:54:22,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476275098] [2022-12-14 05:54:22,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476275098] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:54:22,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:54:22,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:54:22,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656398859] [2022-12-14 05:54:22,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:54:22,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:54:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:54:22,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:54:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:22,265 INFO L87 Difference]: Start difference. First operand has 1758 states, 1012 states have (on average 1.2598814229249011) internal successors, (1275), 1034 states have internal predecessors, (1275), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:54:27,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:54:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:54:28,037 INFO L93 Difference]: Finished difference Result 5003 states and 7245 transitions. [2022-12-14 05:54:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:54:28,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 147 [2022-12-14 05:54:28,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:54:28,064 INFO L225 Difference]: With dead ends: 5003 [2022-12-14 05:54:28,065 INFO L226 Difference]: Without dead ends: 3262 [2022-12-14 05:54:28,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:28,078 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 2174 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 4919 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:54:28,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 4919 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 619 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 05:54:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2022-12-14 05:54:28,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3257. [2022-12-14 05:54:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 1876 states have (on average 1.25) internal successors, (2345), 1917 states have internal predecessors, (2345), 1148 states have call successors, (1148), 231 states have call predecessors, (1148), 230 states have return successors, (1145), 1141 states have call predecessors, (1145), 1145 states have call successors, (1145) [2022-12-14 05:54:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 4638 transitions. [2022-12-14 05:54:28,279 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 4638 transitions. Word has length 147 [2022-12-14 05:54:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:54:28,279 INFO L495 AbstractCegarLoop]: Abstraction has 3257 states and 4638 transitions. [2022-12-14 05:54:28,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:54:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 4638 transitions. [2022-12-14 05:54:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 05:54:28,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:54:28,283 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:54:28,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:54:28,283 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)] === [2022-12-14 05:54:28,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:54:28,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1885680104, now seen corresponding path program 1 times [2022-12-14 05:54:28,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:54:28,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705292379] [2022-12-14 05:54:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:54:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:54:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:54:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-12-14 05:54:28,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:54:28,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705292379] [2022-12-14 05:54:28,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705292379] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:54:28,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:54:28,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:54:28,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788799251] [2022-12-14 05:54:28,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:54:28,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:54:28,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:54:28,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:54:28,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:28,539 INFO L87 Difference]: Start difference. First operand 3257 states and 4638 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:54:32,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:54:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:54:34,917 INFO L93 Difference]: Finished difference Result 9384 states and 13366 transitions. [2022-12-14 05:54:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:54:34,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 152 [2022-12-14 05:54:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:54:34,948 INFO L225 Difference]: With dead ends: 9384 [2022-12-14 05:54:34,948 INFO L226 Difference]: Without dead ends: 6154 [2022-12-14 05:54:34,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:34,960 INFO L413 NwaCegarLoop]: 2760 mSDtfsCounter, 2168 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 4880 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:54:34,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 4880 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 612 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 05:54:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6154 states. [2022-12-14 05:54:35,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6154 to 6121. [2022-12-14 05:54:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6121 states, 3538 states have (on average 1.252967778405879) internal successors, (4433), 3625 states have internal predecessors, (4433), 2139 states have call successors, (2139), 452 states have call predecessors, (2139), 441 states have return successors, (2150), 2104 states have call predecessors, (2150), 2136 states have call successors, (2150) [2022-12-14 05:54:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6121 states to 6121 states and 8722 transitions. [2022-12-14 05:54:35,265 INFO L78 Accepts]: Start accepts. Automaton has 6121 states and 8722 transitions. Word has length 152 [2022-12-14 05:54:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:54:35,266 INFO L495 AbstractCegarLoop]: Abstraction has 6121 states and 8722 transitions. [2022-12-14 05:54:35,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:54:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6121 states and 8722 transitions. [2022-12-14 05:54:35,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 05:54:35,270 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:54:35,270 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:54:35,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:54:35,271 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)] === [2022-12-14 05:54:35,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:54:35,271 INFO L85 PathProgramCache]: Analyzing trace with hash -257126913, now seen corresponding path program 1 times [2022-12-14 05:54:35,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:54:35,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822630294] [2022-12-14 05:54:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:54:35,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:54:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:54:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-12-14 05:54:35,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:54:35,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822630294] [2022-12-14 05:54:35,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822630294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:54:35,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:54:35,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:54:35,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674358184] [2022-12-14 05:54:35,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:54:35,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:54:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:54:35,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:54:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:35,494 INFO L87 Difference]: Start difference. First operand 6121 states and 8722 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-14 05:54:37,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:54:43,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:54:44,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:54:44,406 INFO L93 Difference]: Finished difference Result 18209 states and 26001 transitions. [2022-12-14 05:54:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:54:44,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 163 [2022-12-14 05:54:44,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:54:44,448 INFO L225 Difference]: With dead ends: 18209 [2022-12-14 05:54:44,448 INFO L226 Difference]: Without dead ends: 12115 [2022-12-14 05:54:44,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:44,464 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 2434 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 4978 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:54:44,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 4978 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 618 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:54:44,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12115 states. [2022-12-14 05:54:44,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12115 to 12079. [2022-12-14 05:54:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12079 states, 7001 states have (on average 1.2538208827310384) internal successors, (8778), 7181 states have internal predecessors, (8778), 4208 states have call successors, (4208), 896 states have call predecessors, (4208), 867 states have return successors, (4274), 4119 states have call predecessors, (4274), 4205 states have call successors, (4274) [2022-12-14 05:54:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12079 states to 12079 states and 17260 transitions. [2022-12-14 05:54:44,999 INFO L78 Accepts]: Start accepts. Automaton has 12079 states and 17260 transitions. Word has length 163 [2022-12-14 05:54:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:54:44,999 INFO L495 AbstractCegarLoop]: Abstraction has 12079 states and 17260 transitions. [2022-12-14 05:54:44,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-14 05:54:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 12079 states and 17260 transitions. [2022-12-14 05:54:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-14 05:54:45,002 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:54:45,002 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:54:45,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:54:45,002 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)] === [2022-12-14 05:54:45,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:54:45,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2142969961, now seen corresponding path program 1 times [2022-12-14 05:54:45,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:54:45,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445234381] [2022-12-14 05:54:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:54:45,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:54:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:54:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-12-14 05:54:45,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:54:45,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445234381] [2022-12-14 05:54:45,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445234381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:54:45,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:54:45,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:54:45,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382189483] [2022-12-14 05:54:45,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:54:45,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:54:45,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:54:45,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:54:45,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:45,158 INFO L87 Difference]: Start difference. First operand 12079 states and 17260 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:54:48,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:54:51,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:54:51,673 INFO L93 Difference]: Finished difference Result 26320 states and 37217 transitions. [2022-12-14 05:54:51,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:54:51,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-12-14 05:54:51,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:54:51,764 INFO L225 Difference]: With dead ends: 26320 [2022-12-14 05:54:51,764 INFO L226 Difference]: Without dead ends: 14268 [2022-12-14 05:54:51,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:54:51,808 INFO L413 NwaCegarLoop]: 2700 mSDtfsCounter, 1588 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 4825 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:54:51,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 4825 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 674 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 05:54:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14268 states. [2022-12-14 05:54:52,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14268 to 14237. [2022-12-14 05:54:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14237 states, 8080 states have (on average 1.2201732673267327) internal successors, (9859), 8313 states have internal predecessors, (9859), 4980 states have call successors, (4980), 1218 states have call predecessors, (4980), 1174 states have return successors, (5076), 4853 states have call predecessors, (5076), 4977 states have call successors, (5076) [2022-12-14 05:54:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14237 states to 14237 states and 19915 transitions. [2022-12-14 05:54:52,421 INFO L78 Accepts]: Start accepts. Automaton has 14237 states and 19915 transitions. Word has length 166 [2022-12-14 05:54:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:54:52,422 INFO L495 AbstractCegarLoop]: Abstraction has 14237 states and 19915 transitions. [2022-12-14 05:54:52,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:54:52,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14237 states and 19915 transitions. [2022-12-14 05:54:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-14 05:54:52,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:54:52,428 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 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] [2022-12-14 05:54:52,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:54:52,428 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-12-14 05:54:52,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:54:52,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1115315054, now seen corresponding path program 1 times [2022-12-14 05:54:52,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:54:52,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466250856] [2022-12-14 05:54:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:54:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:54:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:54:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2022-12-14 05:54:52,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:54:52,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466250856] [2022-12-14 05:54:52,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466250856] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:54:52,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:54:52,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:54:52,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664983387] [2022-12-14 05:54:52,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:54:52,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:54:52,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:54:52,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:54:52,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:54:52,965 INFO L87 Difference]: Start difference. First operand 14237 states and 19915 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 05:54:58,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:55:04,620 INFO L93 Difference]: Finished difference Result 24201 states and 33974 transitions. [2022-12-14 05:55:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:55:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 185 [2022-12-14 05:55:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:55:04,704 INFO L225 Difference]: With dead ends: 24201 [2022-12-14 05:55:04,704 INFO L226 Difference]: Without dead ends: 24199 [2022-12-14 05:55:04,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:55:04,712 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 2208 mSDsluCounter, 8639 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 11893 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:55:04,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 11893 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1555 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-12-14 05:55:04,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24199 states. [2022-12-14 05:55:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24199 to 24183. [2022-12-14 05:55:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24183 states, 13742 states have (on average 1.2238393246980062) internal successors, (16818), 14148 states have internal predecessors, (16818), 8439 states have call successors, (8439), 2073 states have call predecessors, (8439), 1999 states have return successors, (8702), 8211 states have call predecessors, (8702), 8433 states have call successors, (8702) [2022-12-14 05:55:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24183 states to 24183 states and 33959 transitions. [2022-12-14 05:55:05,702 INFO L78 Accepts]: Start accepts. Automaton has 24183 states and 33959 transitions. Word has length 185 [2022-12-14 05:55:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:55:05,703 INFO L495 AbstractCegarLoop]: Abstraction has 24183 states and 33959 transitions. [2022-12-14 05:55:05,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 05:55:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24183 states and 33959 transitions. [2022-12-14 05:55:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 05:55:05,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:55:05,707 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 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] [2022-12-14 05:55:05,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:55:05,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-12-14 05:55:05,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:55:05,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1266735590, now seen corresponding path program 1 times [2022-12-14 05:55:05,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:55:05,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908637210] [2022-12-14 05:55:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:55:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:55:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:55:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2022-12-14 05:55:05,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:55:05,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908637210] [2022-12-14 05:55:05,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908637210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:55:05,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:55:05,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:55:05,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785752977] [2022-12-14 05:55:05,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:55:05,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:55:05,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:55:05,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:55:05,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:55:05,998 INFO L87 Difference]: Start difference. First operand 24183 states and 33959 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:55:07,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:55:15,120 INFO L93 Difference]: Finished difference Result 24193 states and 33968 transitions. [2022-12-14 05:55:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:55:15,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2022-12-14 05:55:15,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:55:15,220 INFO L225 Difference]: With dead ends: 24193 [2022-12-14 05:55:15,220 INFO L226 Difference]: Without dead ends: 24191 [2022-12-14 05:55:15,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:55:15,231 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:55:15,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 05:55:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24191 states. [2022-12-14 05:55:16,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24191 to 24191. [2022-12-14 05:55:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24191 states, 13748 states have (on average 1.2237416351469306) internal successors, (16824), 14154 states have internal predecessors, (16824), 8439 states have call successors, (8439), 2075 states have call predecessors, (8439), 2001 states have return successors, (8702), 8211 states have call predecessors, (8702), 8433 states have call successors, (8702) [2022-12-14 05:55:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24191 states to 24191 states and 33965 transitions. [2022-12-14 05:55:16,202 INFO L78 Accepts]: Start accepts. Automaton has 24191 states and 33965 transitions. Word has length 190 [2022-12-14 05:55:16,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:55:16,203 INFO L495 AbstractCegarLoop]: Abstraction has 24191 states and 33965 transitions. [2022-12-14 05:55:16,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:55:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 24191 states and 33965 transitions. [2022-12-14 05:55:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-14 05:55:16,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:55:16,207 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 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] [2022-12-14 05:55:16,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:55:16,207 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-12-14 05:55:16,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:55:16,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1650629173, now seen corresponding path program 1 times [2022-12-14 05:55:16,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:55:16,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527101560] [2022-12-14 05:55:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:55:16,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:55:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:55:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-12-14 05:55:16,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:55:16,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527101560] [2022-12-14 05:55:16,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527101560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:55:16,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:55:16,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:55:16,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673253709] [2022-12-14 05:55:16,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:55:16,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:55:16,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:55:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:55:16,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:55:16,434 INFO L87 Difference]: Start difference. First operand 24191 states and 33965 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 05:55:21,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:23,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:55:23,421 INFO L93 Difference]: Finished difference Result 54173 states and 76148 transitions. [2022-12-14 05:55:23,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:55:23,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 187 [2022-12-14 05:55:23,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:55:23,534 INFO L225 Difference]: With dead ends: 54173 [2022-12-14 05:55:23,534 INFO L226 Difference]: Without dead ends: 30009 [2022-12-14 05:55:23,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:55:23,604 INFO L413 NwaCegarLoop]: 3385 mSDtfsCounter, 1564 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:55:23,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 5536 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 832 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 05:55:23,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30009 states. [2022-12-14 05:55:24,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30009 to 29933. [2022-12-14 05:55:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29933 states, 17370 states have (on average 1.2370178468624065) internal successors, (21487), 17860 states have internal predecessors, (21487), 10066 states have call successors, (10066), 2566 states have call predecessors, (10066), 2494 states have return successors, (10317), 9792 states have call predecessors, (10317), 10060 states have call successors, (10317) [2022-12-14 05:55:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29933 states to 29933 states and 41870 transitions. [2022-12-14 05:55:24,996 INFO L78 Accepts]: Start accepts. Automaton has 29933 states and 41870 transitions. Word has length 187 [2022-12-14 05:55:24,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:55:24,996 INFO L495 AbstractCegarLoop]: Abstraction has 29933 states and 41870 transitions. [2022-12-14 05:55:24,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 05:55:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 29933 states and 41870 transitions. [2022-12-14 05:55:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-14 05:55:24,998 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:55:24,998 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 6, 6, 3, 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] [2022-12-14 05:55:24,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:55:24,998 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)] === [2022-12-14 05:55:24,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:55:24,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1179198891, now seen corresponding path program 1 times [2022-12-14 05:55:24,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:55:24,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497877151] [2022-12-14 05:55:24,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:55:24,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:55:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:55:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-12-14 05:55:25,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:55:25,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497877151] [2022-12-14 05:55:25,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497877151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:55:25,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:55:25,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:55:25,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223049400] [2022-12-14 05:55:25,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:55:25,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:55:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:55:25,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:55:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:55:25,440 INFO L87 Difference]: Start difference. First operand 29933 states and 41870 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 05:55:32,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:34,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:37,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:55:37,367 INFO L93 Difference]: Finished difference Result 29943 states and 41879 transitions. [2022-12-14 05:55:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:55:37,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 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 204 [2022-12-14 05:55:37,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:55:37,451 INFO L225 Difference]: With dead ends: 29943 [2022-12-14 05:55:37,451 INFO L226 Difference]: Without dead ends: 29941 [2022-12-14 05:55:37,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:55:37,461 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2431 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:55:37,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 941 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 05:55:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29941 states. [2022-12-14 05:55:38,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29941 to 29941. [2022-12-14 05:55:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29941 states, 17376 states have (on average 1.2369360036832413) internal successors, (21493), 17866 states have internal predecessors, (21493), 10066 states have call successors, (10066), 2568 states have call predecessors, (10066), 2496 states have return successors, (10317), 9792 states have call predecessors, (10317), 10060 states have call successors, (10317) [2022-12-14 05:55:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29941 states to 29941 states and 41876 transitions. [2022-12-14 05:55:38,625 INFO L78 Accepts]: Start accepts. Automaton has 29941 states and 41876 transitions. Word has length 204 [2022-12-14 05:55:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:55:38,625 INFO L495 AbstractCegarLoop]: Abstraction has 29941 states and 41876 transitions. [2022-12-14 05:55:38,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 05:55:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 29941 states and 41876 transitions. [2022-12-14 05:55:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-12-14 05:55:38,627 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:55:38,627 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 3, 3, 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] [2022-12-14 05:55:38,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:55:38,627 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)] === [2022-12-14 05:55:38,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:55:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash -150830886, now seen corresponding path program 1 times [2022-12-14 05:55:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:55:38,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621772965] [2022-12-14 05:55:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:55:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:55:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:55:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2022-12-14 05:55:38,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:55:38,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621772965] [2022-12-14 05:55:38,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621772965] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:55:38,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:55:38,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:55:38,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159813915] [2022-12-14 05:55:38,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:55:38,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:55:38,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:55:38,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:55:38,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:55:38,906 INFO L87 Difference]: Start difference. First operand 29941 states and 41876 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 05:55:44,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:50,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:55:50,805 INFO L93 Difference]: Finished difference Result 35065 states and 48749 transitions. [2022-12-14 05:55:50,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:55:50,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (27), 3 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 200 [2022-12-14 05:55:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:55:50,906 INFO L225 Difference]: With dead ends: 35065 [2022-12-14 05:55:50,906 INFO L226 Difference]: Without dead ends: 35063 [2022-12-14 05:55:50,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:55:50,921 INFO L413 NwaCegarLoop]: 2705 mSDtfsCounter, 1579 mSDsluCounter, 7537 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 10242 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:55:50,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 10242 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1287 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 05:55:50,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35063 states. [2022-12-14 05:55:52,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35063 to 35055. [2022-12-14 05:55:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35055 states, 20276 states have (on average 1.2302229236535807) internal successors, (24944), 20860 states have internal predecessors, (24944), 11759 states have call successors, (11759), 3104 states have call predecessors, (11759), 3017 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:55:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35055 states to 35055 states and 48742 transitions. [2022-12-14 05:55:52,301 INFO L78 Accepts]: Start accepts. Automaton has 35055 states and 48742 transitions. Word has length 200 [2022-12-14 05:55:52,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:55:52,302 INFO L495 AbstractCegarLoop]: Abstraction has 35055 states and 48742 transitions. [2022-12-14 05:55:52,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 05:55:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 35055 states and 48742 transitions. [2022-12-14 05:55:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-14 05:55:52,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:55:52,304 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 5, 4, 4, 4, 4, 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] [2022-12-14 05:55:52,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:55:52,304 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)] === [2022-12-14 05:55:52,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:55:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash -304087534, now seen corresponding path program 1 times [2022-12-14 05:55:52,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:55:52,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707662387] [2022-12-14 05:55:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:55:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:55:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:55:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2022-12-14 05:55:52,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:55:52,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707662387] [2022-12-14 05:55:52,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707662387] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:55:52,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:55:52,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:55:52,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410343810] [2022-12-14 05:55:52,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:55:52,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:55:52,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:55:52,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:55:52,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:55:52,549 INFO L87 Difference]: Start difference. First operand 35055 states and 48742 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 05:55:57,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:55:59,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:02,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:02,182 INFO L93 Difference]: Finished difference Result 35069 states and 48755 transitions. [2022-12-14 05:56:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:56:02,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (28), 3 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 205 [2022-12-14 05:56:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:02,274 INFO L225 Difference]: With dead ends: 35069 [2022-12-14 05:56:02,274 INFO L226 Difference]: Without dead ends: 35067 [2022-12-14 05:56:02,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:56:02,284 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:56:02,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 942 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 05:56:02,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35067 states. [2022-12-14 05:56:03,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35067 to 35067. [2022-12-14 05:56:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35067 states, 20285 states have (on average 1.2301207789006656) internal successors, (24953), 20869 states have internal predecessors, (24953), 11759 states have call successors, (11759), 3107 states have call predecessors, (11759), 3020 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:56:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35067 states to 35067 states and 48751 transitions. [2022-12-14 05:56:03,711 INFO L78 Accepts]: Start accepts. Automaton has 35067 states and 48751 transitions. Word has length 205 [2022-12-14 05:56:03,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:03,711 INFO L495 AbstractCegarLoop]: Abstraction has 35067 states and 48751 transitions. [2022-12-14 05:56:03,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 05:56:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 35067 states and 48751 transitions. [2022-12-14 05:56:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-14 05:56:03,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:03,714 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 6, 5, 5, 4, 4, 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] [2022-12-14 05:56:03,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:56:03,714 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)] === [2022-12-14 05:56:03,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:03,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1721047962, now seen corresponding path program 1 times [2022-12-14 05:56:03,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:03,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396064441] [2022-12-14 05:56:03,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:03,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2022-12-14 05:56:03,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:56:03,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396064441] [2022-12-14 05:56:03,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396064441] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:03,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:03,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:56:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606224746] [2022-12-14 05:56:03,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:03,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:56:03,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:56:03,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:56:03,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:56:03,992 INFO L87 Difference]: Start difference. First operand 35067 states and 48751 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:56:09,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:14,650 INFO L93 Difference]: Finished difference Result 35081 states and 48761 transitions. [2022-12-14 05:56:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:56:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (29), 3 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 210 [2022-12-14 05:56:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:14,764 INFO L225 Difference]: With dead ends: 35081 [2022-12-14 05:56:14,764 INFO L226 Difference]: Without dead ends: 35079 [2022-12-14 05:56:14,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:56:14,775 INFO L413 NwaCegarLoop]: 2705 mSDtfsCounter, 1579 mSDsluCounter, 7537 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 10242 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:56:14,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 10242 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1287 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 05:56:14,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35079 states. [2022-12-14 05:56:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35079 to 35071. [2022-12-14 05:56:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35071 states, 20288 states have (on average 1.2300867507886435) internal successors, (24956), 20872 states have internal predecessors, (24956), 11759 states have call successors, (11759), 3108 states have call predecessors, (11759), 3021 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:56:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35071 states to 35071 states and 48754 transitions. [2022-12-14 05:56:16,276 INFO L78 Accepts]: Start accepts. Automaton has 35071 states and 48754 transitions. Word has length 210 [2022-12-14 05:56:16,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:16,276 INFO L495 AbstractCegarLoop]: Abstraction has 35071 states and 48754 transitions. [2022-12-14 05:56:16,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:56:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35071 states and 48754 transitions. [2022-12-14 05:56:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-12-14 05:56:16,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:16,280 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 7, 6, 6, 4, 4, 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] [2022-12-14 05:56:16,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:56:16,280 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)] === [2022-12-14 05:56:16,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2075806418, now seen corresponding path program 1 times [2022-12-14 05:56:16,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:16,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344462008] [2022-12-14 05:56:16,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:16,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2022-12-14 05:56:16,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:56:16,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344462008] [2022-12-14 05:56:16,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344462008] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:16,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:16,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:56:16,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504840603] [2022-12-14 05:56:16,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:16,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:56:16,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:56:16,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:56:16,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:56:16,557 INFO L87 Difference]: Start difference. First operand 35071 states and 48754 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 05:56:21,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:26,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:26,666 INFO L93 Difference]: Finished difference Result 35085 states and 48767 transitions. [2022-12-14 05:56:26,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:56:26,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (30), 3 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 215 [2022-12-14 05:56:26,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:26,783 INFO L225 Difference]: With dead ends: 35085 [2022-12-14 05:56:26,783 INFO L226 Difference]: Without dead ends: 35083 [2022-12-14 05:56:26,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:56:26,801 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:56:26,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:56:26,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35083 states. [2022-12-14 05:56:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35083 to 35083. [2022-12-14 05:56:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35083 states, 20297 states have (on average 1.2299847268069173) internal successors, (24965), 20881 states have internal predecessors, (24965), 11759 states have call successors, (11759), 3111 states have call predecessors, (11759), 3024 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:56:28,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35083 states to 35083 states and 48763 transitions. [2022-12-14 05:56:28,474 INFO L78 Accepts]: Start accepts. Automaton has 35083 states and 48763 transitions. Word has length 215 [2022-12-14 05:56:28,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:28,474 INFO L495 AbstractCegarLoop]: Abstraction has 35083 states and 48763 transitions. [2022-12-14 05:56:28,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 05:56:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 35083 states and 48763 transitions. [2022-12-14 05:56:28,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-12-14 05:56:28,477 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:28,477 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 8, 7, 7, 4, 4, 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] [2022-12-14 05:56:28,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:56:28,477 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)] === [2022-12-14 05:56:28,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:28,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1764161114, now seen corresponding path program 1 times [2022-12-14 05:56:28,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:28,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817987375] [2022-12-14 05:56:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:28,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2022-12-14 05:56:28,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:56:28,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817987375] [2022-12-14 05:56:28,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817987375] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:28,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:28,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:56:28,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603904363] [2022-12-14 05:56:28,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:28,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:56:28,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:56:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:56:28,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:56:28,690 INFO L87 Difference]: Start difference. First operand 35083 states and 48763 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 05:56:33,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:35,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:37,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:40,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:40,683 INFO L93 Difference]: Finished difference Result 35097 states and 48776 transitions. [2022-12-14 05:56:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:56:40,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (31), 3 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 220 [2022-12-14 05:56:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:40,784 INFO L225 Difference]: With dead ends: 35097 [2022-12-14 05:56:40,785 INFO L226 Difference]: Without dead ends: 35095 [2022-12-14 05:56:40,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:56:40,799 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:56:40,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 941 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 05:56:40,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35095 states. [2022-12-14 05:56:42,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35095 to 35095. [2022-12-14 05:56:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35095 states, 20306 states have (on average 1.229882793263075) internal successors, (24974), 20890 states have internal predecessors, (24974), 11759 states have call successors, (11759), 3114 states have call predecessors, (11759), 3027 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:56:42,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35095 states to 35095 states and 48772 transitions. [2022-12-14 05:56:42,512 INFO L78 Accepts]: Start accepts. Automaton has 35095 states and 48772 transitions. Word has length 220 [2022-12-14 05:56:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:42,512 INFO L495 AbstractCegarLoop]: Abstraction has 35095 states and 48772 transitions. [2022-12-14 05:56:42,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 05:56:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 35095 states and 48772 transitions. [2022-12-14 05:56:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-14 05:56:42,515 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:42,515 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 9, 8, 8, 4, 4, 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] [2022-12-14 05:56:42,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:56:42,515 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)] === [2022-12-14 05:56:42,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:42,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1273145454, now seen corresponding path program 1 times [2022-12-14 05:56:42,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:42,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589294656] [2022-12-14 05:56:42,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 875 trivial. 0 not checked. [2022-12-14 05:56:42,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:56:42,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589294656] [2022-12-14 05:56:42,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589294656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:42,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:42,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:56:42,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418220290] [2022-12-14 05:56:42,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:42,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:56:42,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:56:42,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:56:42,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:56:42,733 INFO L87 Difference]: Start difference. First operand 35095 states and 48772 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:56:49,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:56:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:53,790 INFO L93 Difference]: Finished difference Result 35109 states and 48785 transitions. [2022-12-14 05:56:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:56:53,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 225 [2022-12-14 05:56:53,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:53,890 INFO L225 Difference]: With dead ends: 35109 [2022-12-14 05:56:53,890 INFO L226 Difference]: Without dead ends: 35107 [2022-12-14 05:56:53,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:56:53,905 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:56:53,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2441 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 942 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 05:56:53,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35107 states. [2022-12-14 05:56:55,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35107 to 35107. [2022-12-14 05:56:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35107 states, 20315 states have (on average 1.2297809500369186) internal successors, (24983), 20899 states have internal predecessors, (24983), 11759 states have call successors, (11759), 3117 states have call predecessors, (11759), 3030 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:56:55,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35107 states to 35107 states and 48781 transitions. [2022-12-14 05:56:55,721 INFO L78 Accepts]: Start accepts. Automaton has 35107 states and 48781 transitions. Word has length 225 [2022-12-14 05:56:55,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:55,722 INFO L495 AbstractCegarLoop]: Abstraction has 35107 states and 48781 transitions. [2022-12-14 05:56:55,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-14 05:56:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 35107 states and 48781 transitions. [2022-12-14 05:56:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-12-14 05:56:55,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:55,725 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 10, 9, 9, 6, 6, 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] [2022-12-14 05:56:55,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 05:56:55,725 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)] === [2022-12-14 05:56:55,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:55,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2035069239, now seen corresponding path program 1 times [2022-12-14 05:56:55,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:55,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528016151] [2022-12-14 05:56:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:55,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2022-12-14 05:56:55,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:56:55,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528016151] [2022-12-14 05:56:55,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528016151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:55,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:55,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:56:55,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484349297] [2022-12-14 05:56:55,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:55,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:56:55,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:56:55,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:56:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:56:55,983 INFO L87 Difference]: Start difference. First operand 35107 states and 48781 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 05:57:01,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:06,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:57:06,758 INFO L93 Difference]: Finished difference Result 35121 states and 48791 transitions. [2022-12-14 05:57:06,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:57:06,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 239 [2022-12-14 05:57:06,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:57:06,850 INFO L225 Difference]: With dead ends: 35121 [2022-12-14 05:57:06,851 INFO L226 Difference]: Without dead ends: 35119 [2022-12-14 05:57:06,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:57:06,862 INFO L413 NwaCegarLoop]: 2705 mSDtfsCounter, 1575 mSDsluCounter, 7537 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 10242 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:57:06,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 10242 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1287 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 05:57:06,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35119 states. [2022-12-14 05:57:08,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35119 to 35111. [2022-12-14 05:57:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35111 states, 20318 states have (on average 1.2297470223447189) internal successors, (24986), 20902 states have internal predecessors, (24986), 11759 states have call successors, (11759), 3118 states have call predecessors, (11759), 3031 states have return successors, (12039), 11430 states have call predecessors, (12039), 11750 states have call successors, (12039) [2022-12-14 05:57:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35111 states to 35111 states and 48784 transitions. [2022-12-14 05:57:08,704 INFO L78 Accepts]: Start accepts. Automaton has 35111 states and 48784 transitions. Word has length 239 [2022-12-14 05:57:08,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:57:08,704 INFO L495 AbstractCegarLoop]: Abstraction has 35111 states and 48784 transitions. [2022-12-14 05:57:08,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 05:57:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35111 states and 48784 transitions. [2022-12-14 05:57:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-14 05:57:08,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:57:08,707 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:57:08,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:57:08,707 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-12-14 05:57:08,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:57:08,707 INFO L85 PathProgramCache]: Analyzing trace with hash -216676084, now seen corresponding path program 1 times [2022-12-14 05:57:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:57:08,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214312522] [2022-12-14 05:57:08,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:57:08,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:57:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:57:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-12-14 05:57:08,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:57:08,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214312522] [2022-12-14 05:57:08,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214312522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:57:08,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:57:08,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:57:08,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887994587] [2022-12-14 05:57:08,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:57:08,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:57:08,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:57:08,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:57:08,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:57:08,933 INFO L87 Difference]: Start difference. First operand 35111 states and 48784 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 05:57:10,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:15,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:17,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:57:20,141 INFO L93 Difference]: Finished difference Result 80986 states and 112506 transitions. [2022-12-14 05:57:20,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:57:20,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 230 [2022-12-14 05:57:20,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:57:20,278 INFO L225 Difference]: With dead ends: 80986 [2022-12-14 05:57:20,279 INFO L226 Difference]: Without dead ends: 45958 [2022-12-14 05:57:20,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:57:20,354 INFO L413 NwaCegarLoop]: 3504 mSDtfsCounter, 1564 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 5648 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:57:20,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 5648 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 864 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 05:57:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45958 states. [2022-12-14 05:57:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45958 to 45777. [2022-12-14 05:57:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45777 states, 26707 states have (on average 1.2335717227693115) internal successors, (32945), 27461 states have internal predecessors, (32945), 15041 states have call successors, (15041), 4125 states have call predecessors, (15041), 4026 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-12-14 05:57:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45777 states to 45777 states and 63327 transitions. [2022-12-14 05:57:22,871 INFO L78 Accepts]: Start accepts. Automaton has 45777 states and 63327 transitions. Word has length 230 [2022-12-14 05:57:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:57:22,871 INFO L495 AbstractCegarLoop]: Abstraction has 45777 states and 63327 transitions. [2022-12-14 05:57:22,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 05:57:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 45777 states and 63327 transitions. [2022-12-14 05:57:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-12-14 05:57:22,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:57:22,873 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 11, 10, 10, 4, 4, 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] [2022-12-14 05:57:22,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 05:57:22,873 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-12-14 05:57:22,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:57:22,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1827068846, now seen corresponding path program 1 times [2022-12-14 05:57:22,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:57:22,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208282741] [2022-12-14 05:57:22,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:57:22,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:57:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:57:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2022-12-14 05:57:23,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:57:23,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208282741] [2022-12-14 05:57:23,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208282741] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:57:23,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:57:23,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:57:23,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123347596] [2022-12-14 05:57:23,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:57:23,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:57:23,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:57:23,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:57:23,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:57:23,083 INFO L87 Difference]: Start difference. First operand 45777 states and 63327 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:57:29,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:34,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:57:34,370 INFO L93 Difference]: Finished difference Result 45791 states and 63340 transitions. [2022-12-14 05:57:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:57:34,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 235 [2022-12-14 05:57:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:57:34,495 INFO L225 Difference]: With dead ends: 45791 [2022-12-14 05:57:34,496 INFO L226 Difference]: Without dead ends: 45789 [2022-12-14 05:57:34,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:57:34,512 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:57:34,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 05:57:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45789 states. [2022-12-14 05:57:36,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45789 to 45789. [2022-12-14 05:57:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45789 states, 26716 states have (on average 1.233493037879922) internal successors, (32954), 27470 states have internal predecessors, (32954), 15041 states have call successors, (15041), 4128 states have call predecessors, (15041), 4029 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-12-14 05:57:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45789 states to 45789 states and 63336 transitions. [2022-12-14 05:57:37,050 INFO L78 Accepts]: Start accepts. Automaton has 45789 states and 63336 transitions. Word has length 235 [2022-12-14 05:57:37,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:57:37,051 INFO L495 AbstractCegarLoop]: Abstraction has 45789 states and 63336 transitions. [2022-12-14 05:57:37,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 05:57:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 45789 states and 63336 transitions. [2022-12-14 05:57:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-12-14 05:57:37,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:57:37,053 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 12, 11, 11, 4, 4, 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] [2022-12-14 05:57:37,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 05:57:37,053 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-12-14 05:57:37,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:57:37,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1661496282, now seen corresponding path program 1 times [2022-12-14 05:57:37,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:57:37,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478952750] [2022-12-14 05:57:37,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:57:37,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:57:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:57:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2022-12-14 05:57:37,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:57:37,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478952750] [2022-12-14 05:57:37,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478952750] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:57:37,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:57:37,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:57:37,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188551583] [2022-12-14 05:57:37,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:57:37,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:57:37,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:57:37,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:57:37,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:57:37,317 INFO L87 Difference]: Start difference. First operand 45789 states and 63336 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 05:57:43,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:49,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:57:49,229 INFO L93 Difference]: Finished difference Result 45803 states and 63349 transitions. [2022-12-14 05:57:49,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:57:49,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 240 [2022-12-14 05:57:49,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:57:49,349 INFO L225 Difference]: With dead ends: 45803 [2022-12-14 05:57:49,349 INFO L226 Difference]: Without dead ends: 45801 [2022-12-14 05:57:49,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:57:49,364 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2435 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:57:49,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 942 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 05:57:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45801 states. [2022-12-14 05:57:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45801 to 45801. [2022-12-14 05:57:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45801 states, 26725 states have (on average 1.2334144059869037) internal successors, (32963), 27479 states have internal predecessors, (32963), 15041 states have call successors, (15041), 4131 states have call predecessors, (15041), 4032 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-12-14 05:57:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45801 states to 45801 states and 63345 transitions. [2022-12-14 05:57:52,065 INFO L78 Accepts]: Start accepts. Automaton has 45801 states and 63345 transitions. Word has length 240 [2022-12-14 05:57:52,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:57:52,066 INFO L495 AbstractCegarLoop]: Abstraction has 45801 states and 63345 transitions. [2022-12-14 05:57:52,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 05:57:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 45801 states and 63345 transitions. [2022-12-14 05:57:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-12-14 05:57:52,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:57:52,068 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 13, 12, 12, 6, 6, 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] [2022-12-14 05:57:52,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 05:57:52,068 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-12-14 05:57:52,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:57:52,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1540043605, now seen corresponding path program 1 times [2022-12-14 05:57:52,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:57:52,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996704685] [2022-12-14 05:57:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:57:52,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:57:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:57:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2022-12-14 05:57:52,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:57:52,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996704685] [2022-12-14 05:57:52,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996704685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:57:52,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:57:52,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:57:52,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320394038] [2022-12-14 05:57:52,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:57:52,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:57:52,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:57:52,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:57:52,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:57:52,282 INFO L87 Difference]: Start difference. First operand 45801 states and 63345 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 05:57:57,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:57:59,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:58:01,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:58:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:58:06,060 INFO L93 Difference]: Finished difference Result 45815 states and 63358 transitions. [2022-12-14 05:58:06,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:58:06,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 254 [2022-12-14 05:58:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:58:06,182 INFO L225 Difference]: With dead ends: 45815 [2022-12-14 05:58:06,182 INFO L226 Difference]: Without dead ends: 45813 [2022-12-14 05:58:06,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:58:06,198 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 2431 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:58:06,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 6539 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 942 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-12-14 05:58:06,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45813 states. [2022-12-14 05:58:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45813 to 45813. [2022-12-14 05:58:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45813 states, 26734 states have (on average 1.2333358270367323) internal successors, (32972), 27488 states have internal predecessors, (32972), 15041 states have call successors, (15041), 4134 states have call predecessors, (15041), 4035 states have return successors, (15341), 14620 states have call predecessors, (15341), 15032 states have call successors, (15341) [2022-12-14 05:58:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45813 states to 45813 states and 63354 transitions. [2022-12-14 05:58:09,089 INFO L78 Accepts]: Start accepts. Automaton has 45813 states and 63354 transitions. Word has length 254 [2022-12-14 05:58:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:58:09,090 INFO L495 AbstractCegarLoop]: Abstraction has 45813 states and 63354 transitions. [2022-12-14 05:58:09,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-14 05:58:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 45813 states and 63354 transitions. [2022-12-14 05:58:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-14 05:58:09,091 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:58:09,092 INFO L195 NwaCegarLoop]: trace histogram [17, 14, 13, 13, 13, 13, 13, 13, 13, 13, 6, 6, 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] [2022-12-14 05:58:09,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 05:58:09,092 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-12-14 05:58:09,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:58:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash -677349833, now seen corresponding path program 1 times [2022-12-14 05:58:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:58:09,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045040874] [2022-12-14 05:58:09,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:58:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:58:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:58:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1127 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2022-12-14 05:58:09,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:58:09,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045040874] [2022-12-14 05:58:09,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045040874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:58:09,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:58:09,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:58:09,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072359071] [2022-12-14 05:58:09,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:58:09,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:58:09,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:58:09,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:58:09,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:58:09,329 INFO L87 Difference]: Start difference. First operand 45813 states and 63354 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 05:58:15,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:58:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:58:23,932 INFO L93 Difference]: Finished difference Result 81926 states and 113908 transitions. [2022-12-14 05:58:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:58:23,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 259 [2022-12-14 05:58:23,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:58:24,183 INFO L225 Difference]: With dead ends: 81926 [2022-12-14 05:58:24,183 INFO L226 Difference]: Without dead ends: 81922 [2022-12-14 05:58:24,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:58:24,211 INFO L413 NwaCegarLoop]: 3153 mSDtfsCounter, 2129 mSDsluCounter, 8399 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2130 SdHoareTripleChecker+Valid, 11552 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:58:24,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2130 Valid, 11552 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1531 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 05:58:24,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81922 states. [2022-12-14 05:58:29,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81922 to 81872. [2022-12-14 05:58:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81872 states, 48088 states have (on average 1.2395400099817002) internal successors, (59607), 49543 states have internal predecessors, (59607), 26803 states have call successors, (26803), 7240 states have call predecessors, (26803), 6978 states have return successors, (27445), 25806 states have call predecessors, (27445), 26788 states have call successors, (27445) [2022-12-14 05:58:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81872 states to 81872 states and 113855 transitions. [2022-12-14 05:58:29,871 INFO L78 Accepts]: Start accepts. Automaton has 81872 states and 113855 transitions. Word has length 259 [2022-12-14 05:58:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:58:29,871 INFO L495 AbstractCegarLoop]: Abstraction has 81872 states and 113855 transitions. [2022-12-14 05:58:29,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 05:58:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 81872 states and 113855 transitions. [2022-12-14 05:58:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-14 05:58:29,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:58:29,873 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 14, 14, 13, 13, 13, 13, 13, 13, 6, 6, 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] [2022-12-14 05:58:29,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 05:58:29,874 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-12-14 05:58:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:58:29,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1702311851, now seen corresponding path program 1 times [2022-12-14 05:58:29,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:58:29,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021160524] [2022-12-14 05:58:29,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:58:29,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:58:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:58:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2022-12-14 05:58:30,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:58:30,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021160524] [2022-12-14 05:58:30,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021160524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:58:30,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:58:30,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:58:30,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128509953] [2022-12-14 05:58:30,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:58:30,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:58:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:58:30,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:58:30,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:58:30,096 INFO L87 Difference]: Start difference. First operand 81872 states and 113855 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 05:58:36,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:58:38,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:58:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:58:44,738 INFO L93 Difference]: Finished difference Result 81890 states and 113872 transitions. [2022-12-14 05:58:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:58:44,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 264 [2022-12-14 05:58:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:58:44,997 INFO L225 Difference]: With dead ends: 81890 [2022-12-14 05:58:44,997 INFO L226 Difference]: Without dead ends: 81689 [2022-12-14 05:58:45,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:58:45,028 INFO L413 NwaCegarLoop]: 2188 mSDtfsCounter, 2431 mSDsluCounter, 4354 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 6542 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:58:45,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 6542 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 939 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 05:58:45,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81689 states. [2022-12-14 05:58:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81689 to 81689. [2022-12-14 05:58:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81689 states, 48005 states have (on average 1.2394542235183834) internal successors, (59500), 49437 states have internal predecessors, (59500), 26726 states have call successors, (26726), 7215 states have call predecessors, (26726), 6955 states have return successors, (27371), 25754 states have call predecessors, (27371), 26714 states have call successors, (27371) [2022-12-14 05:58:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81689 states to 81689 states and 113597 transitions. [2022-12-14 05:58:50,638 INFO L78 Accepts]: Start accepts. Automaton has 81689 states and 113597 transitions. Word has length 264 [2022-12-14 05:58:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:58:50,639 INFO L495 AbstractCegarLoop]: Abstraction has 81689 states and 113597 transitions. [2022-12-14 05:58:50,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 05:58:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 81689 states and 113597 transitions. [2022-12-14 05:58:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-12-14 05:58:50,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:58:50,641 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:58:50,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 05:58:50,642 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-12-14 05:58:50,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:58:50,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1144619798, now seen corresponding path program 1 times [2022-12-14 05:58:50,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:58:50,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776728087] [2022-12-14 05:58:50,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:58:50,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:58:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:58:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2022-12-14 05:58:51,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:58:51,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776728087] [2022-12-14 05:58:51,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776728087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:58:51,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:58:51,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:58:51,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415120517] [2022-12-14 05:58:51,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:58:51,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:58:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:58:51,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:58:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:58:51,231 INFO L87 Difference]: Start difference. First operand 81689 states and 113597 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 05:58:55,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:59:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:59:04,796 INFO L93 Difference]: Finished difference Result 81863 states and 113767 transitions. [2022-12-14 05:59:04,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:59:04,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 305 [2022-12-14 05:59:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:59:05,057 INFO L225 Difference]: With dead ends: 81863 [2022-12-14 05:59:05,057 INFO L226 Difference]: Without dead ends: 81861 [2022-12-14 05:59:05,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:59:05,087 INFO L413 NwaCegarLoop]: 3291 mSDtfsCounter, 2166 mSDsluCounter, 8724 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 12015 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:59:05,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 12015 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1554 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 05:59:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81861 states. [2022-12-14 05:59:10,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81861 to 81821. [2022-12-14 05:59:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81821 states, 48104 states have (on average 1.2388990520538832) internal successors, (59596), 49536 states have internal predecessors, (59596), 26726 states have call successors, (26726), 7248 states have call predecessors, (26726), 6988 states have return successors, (27371), 25754 states have call predecessors, (27371), 26714 states have call successors, (27371) [2022-12-14 05:59:10,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81821 states to 81821 states and 113693 transitions. [2022-12-14 05:59:10,720 INFO L78 Accepts]: Start accepts. Automaton has 81821 states and 113693 transitions. Word has length 305 [2022-12-14 05:59:10,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:59:10,721 INFO L495 AbstractCegarLoop]: Abstraction has 81821 states and 113693 transitions. [2022-12-14 05:59:10,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 05:59:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 81821 states and 113693 transitions. [2022-12-14 05:59:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-12-14 05:59:10,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:59:10,724 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 10, 10, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:59:10,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 05:59:10,724 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-12-14 05:59:10,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:59:10,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1947979421, now seen corresponding path program 1 times [2022-12-14 05:59:10,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:59:10,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403994316] [2022-12-14 05:59:10,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:59:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:59:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:59:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-12-14 05:59:11,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:59:11,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403994316] [2022-12-14 05:59:11,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403994316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:59:11,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:59:11,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 05:59:11,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817678315] [2022-12-14 05:59:11,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:59:11,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:59:11,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:59:11,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:59:11,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:59:11,155 INFO L87 Difference]: Start difference. First operand 81821 states and 113693 transitions. Second operand has 8 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 4 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-14 05:59:13,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:59:19,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:59:33,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:59:33,124 INFO L93 Difference]: Finished difference Result 164167 states and 229108 transitions. [2022-12-14 05:59:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 05:59:33,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 4 states have call predecessors, (44), 2 states have call successors, (44) Word has length 331 [2022-12-14 05:59:33,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:59:33,413 INFO L225 Difference]: With dead ends: 164167 [2022-12-14 05:59:33,413 INFO L226 Difference]: Without dead ends: 82429 [2022-12-14 05:59:33,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 05:59:33,606 INFO L413 NwaCegarLoop]: 2171 mSDtfsCounter, 14 mSDsluCounter, 12987 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15158 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:59:33,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 15158 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2291 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2022-12-14 05:59:33,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82429 states. [2022-12-14 05:59:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82429 to 82049. [2022-12-14 05:59:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82049 states, 48256 states have (on average 1.238146551724138) internal successors, (59748), 49612 states have internal predecessors, (59748), 26802 states have call successors, (26802), 7248 states have call predecessors, (26802), 6988 states have return successors, (27447), 25830 states have call predecessors, (27447), 26790 states have call successors, (27447) [2022-12-14 05:59:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82049 states to 82049 states and 113997 transitions. [2022-12-14 05:59:39,683 INFO L78 Accepts]: Start accepts. Automaton has 82049 states and 113997 transitions. Word has length 331 [2022-12-14 05:59:39,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:59:39,684 INFO L495 AbstractCegarLoop]: Abstraction has 82049 states and 113997 transitions. [2022-12-14 05:59:39,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (44), 4 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-14 05:59:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 82049 states and 113997 transitions. [2022-12-14 05:59:39,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-12-14 05:59:39,689 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:59:39,689 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:59:39,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 05:59:39,690 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-12-14 05:59:39,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:59:39,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1511891798, now seen corresponding path program 1 times [2022-12-14 05:59:39,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:59:39,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814136041] [2022-12-14 05:59:39,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:59:39,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:59:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:59:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-12-14 05:59:40,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:59:40,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814136041] [2022-12-14 05:59:40,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814136041] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:59:40,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:59:40,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:59:40,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987547958] [2022-12-14 05:59:40,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:59:40,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:59:40,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:59:40,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:59:40,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:59:40,044 INFO L87 Difference]: Start difference. First operand 82049 states and 113997 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-14 05:59:44,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:59:49,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:59:55,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:59:55,732 INFO L93 Difference]: Finished difference Result 82791 states and 114752 transitions. [2022-12-14 05:59:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:59:55,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 324 [2022-12-14 05:59:55,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:59:55,984 INFO L225 Difference]: With dead ends: 82791 [2022-12-14 05:59:55,984 INFO L226 Difference]: Without dead ends: 82789 [2022-12-14 05:59:56,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:59:56,011 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 36 mSDsluCounter, 6547 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 8734 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:59:56,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 8734 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1243 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-12-14 05:59:56,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82789 states. [2022-12-14 06:00:01,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82789 to 82789. [2022-12-14 06:00:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82789 states, 48683 states have (on average 1.2366945340262514) internal successors, (60206), 50065 states have internal predecessors, (60206), 26932 states have call successors, (26932), 7431 states have call predecessors, (26932), 7171 states have return successors, (27577), 25960 states have call predecessors, (27577), 26920 states have call successors, (27577) [2022-12-14 06:00:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82789 states to 82789 states and 114715 transitions. [2022-12-14 06:00:01,694 INFO L78 Accepts]: Start accepts. Automaton has 82789 states and 114715 transitions. Word has length 324 [2022-12-14 06:00:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:00:01,694 INFO L495 AbstractCegarLoop]: Abstraction has 82789 states and 114715 transitions. [2022-12-14 06:00:01,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-14 06:00:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 82789 states and 114715 transitions. [2022-12-14 06:00:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-12-14 06:00:01,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:00:01,699 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 11, 11, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:00:01,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 06:00:01,699 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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)] === [2022-12-14 06:00:01,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:00:01,699 INFO L85 PathProgramCache]: Analyzing trace with hash 613450446, now seen corresponding path program 1 times [2022-12-14 06:00:01,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:00:01,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133372457] [2022-12-14 06:00:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:00:01,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:00:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:00:02,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1097 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-12-14 06:00:02,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:00:02,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133372457] [2022-12-14 06:00:02,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133372457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:00:02,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:00:02,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:00:02,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254358920] [2022-12-14 06:00:02,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:00:02,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:00:02,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:00:02,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:00:02,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:00:02,245 INFO L87 Difference]: Start difference. First operand 82789 states and 114715 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 06:00:07,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:00:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:00:15,837 INFO L93 Difference]: Finished difference Result 83777 states and 115746 transitions. [2022-12-14 06:00:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:00:15,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 359 [2022-12-14 06:00:15,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:00:16,130 INFO L225 Difference]: With dead ends: 83777 [2022-12-14 06:00:16,130 INFO L226 Difference]: Without dead ends: 83775 [2022-12-14 06:00:16,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:00:16,158 INFO L413 NwaCegarLoop]: 2191 mSDtfsCounter, 2324 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:00:16,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 6667 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 938 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 06:00:16,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83775 states. [2022-12-14 06:00:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83775 to 83775. [2022-12-14 06:00:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83775 states, 49299 states have (on average 1.2344063774113065) internal successors, (60855), 50681 states have internal predecessors, (60855), 27076 states have call successors, (27076), 7657 states have call predecessors, (27076), 7397 states have return successors, (27721), 26104 states have call predecessors, (27721), 27064 states have call successors, (27721) [2022-12-14 06:00:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83775 states to 83775 states and 115652 transitions. [2022-12-14 06:00:22,470 INFO L78 Accepts]: Start accepts. Automaton has 83775 states and 115652 transitions. Word has length 359 [2022-12-14 06:00:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:00:22,470 INFO L495 AbstractCegarLoop]: Abstraction has 83775 states and 115652 transitions. [2022-12-14 06:00:22,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 06:00:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 83775 states and 115652 transitions. [2022-12-14 06:00:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-12-14 06:00:22,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:00:22,476 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 12, 12, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:00:22,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 06:00:22,477 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-12-14 06:00:22,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:00:22,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1824765641, now seen corresponding path program 1 times [2022-12-14 06:00:22,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:00:22,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293868901] [2022-12-14 06:00:22,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:00:22,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:00:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:00:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2022-12-14 06:00:22,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:00:22,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293868901] [2022-12-14 06:00:22,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293868901] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:00:22,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:00:22,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:00:22,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680553231] [2022-12-14 06:00:22,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:00:22,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:00:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:00:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:00:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:00:22,697 INFO L87 Difference]: Start difference. First operand 83775 states and 115652 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) [2022-12-14 06:00:32,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:00:32,691 INFO L93 Difference]: Finished difference Result 168347 states and 234542 transitions. [2022-12-14 06:00:32,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:00:32,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) Word has length 388 [2022-12-14 06:00:32,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:00:32,977 INFO L225 Difference]: With dead ends: 168347 [2022-12-14 06:00:32,977 INFO L226 Difference]: Without dead ends: 84655 [2022-12-14 06:00:33,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:00:33,167 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 5 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4365 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:00:33,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4365 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 06:00:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84655 states. [2022-12-14 06:00:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84655 to 83885. [2022-12-14 06:00:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83885 states, 49409 states have (on average 1.2338845149669089) internal successors, (60965), 50791 states have internal predecessors, (60965), 27076 states have call successors, (27076), 7657 states have call predecessors, (27076), 7397 states have return successors, (27721), 26104 states have call predecessors, (27721), 27064 states have call successors, (27721) [2022-12-14 06:00:39,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83885 states to 83885 states and 115762 transitions. [2022-12-14 06:00:39,144 INFO L78 Accepts]: Start accepts. Automaton has 83885 states and 115762 transitions. Word has length 388 [2022-12-14 06:00:39,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:00:39,144 INFO L495 AbstractCegarLoop]: Abstraction has 83885 states and 115762 transitions. [2022-12-14 06:00:39,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) [2022-12-14 06:00:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 83885 states and 115762 transitions. [2022-12-14 06:00:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-12-14 06:00:39,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:00:39,151 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 12, 12, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:00:39,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 06:00:39,151 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-12-14 06:00:39,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:00:39,152 INFO L85 PathProgramCache]: Analyzing trace with hash -455039868, now seen corresponding path program 1 times [2022-12-14 06:00:39,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:00:39,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457107272] [2022-12-14 06:00:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:00:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:00:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:00:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2022-12-14 06:00:39,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:00:39,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457107272] [2022-12-14 06:00:39,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457107272] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:00:39,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:00:39,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:00:39,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668644263] [2022-12-14 06:00:39,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:00:39,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:00:39,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:00:39,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:00:39,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:00:39,591 INFO L87 Difference]: Start difference. First operand 83885 states and 115762 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 06:00:40,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:00:45,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:00:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:00:55,331 INFO L93 Difference]: Finished difference Result 83885 states and 115762 transitions. [2022-12-14 06:00:55,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:00:55,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 397 [2022-12-14 06:00:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:00:55,627 INFO L225 Difference]: With dead ends: 83885 [2022-12-14 06:00:55,627 INFO L226 Difference]: Without dead ends: 83883 [2022-12-14 06:00:55,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:00:55,656 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 103 mSDsluCounter, 6530 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:00:55,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 8742 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1251 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 06:00:55,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83883 states. [2022-12-14 06:01:01,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83883 to 83883. [2022-12-14 06:01:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83883 states, 49408 states have (on average 1.2328570272020725) internal successors, (60913), 50789 states have internal predecessors, (60913), 27076 states have call successors, (27076), 7657 states have call predecessors, (27076), 7397 states have return successors, (27721), 26104 states have call predecessors, (27721), 27064 states have call successors, (27721) [2022-12-14 06:01:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83883 states to 83883 states and 115710 transitions. [2022-12-14 06:01:01,888 INFO L78 Accepts]: Start accepts. Automaton has 83883 states and 115710 transitions. Word has length 397 [2022-12-14 06:01:01,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:01:01,889 INFO L495 AbstractCegarLoop]: Abstraction has 83883 states and 115710 transitions. [2022-12-14 06:01:01,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (61), 3 states have call predecessors, (61), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 06:01:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 83883 states and 115710 transitions. [2022-12-14 06:01:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-12-14 06:01:01,896 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:01:01,896 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:01:01,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 06:01:01,897 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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)] === [2022-12-14 06:01:01,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:01:01,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2113153827, now seen corresponding path program 1 times [2022-12-14 06:01:01,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:01:01,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760363152] [2022-12-14 06:01:01,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:01:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:01:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:01:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2022-12-14 06:01:02,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:01:02,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760363152] [2022-12-14 06:01:02,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760363152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:01:02,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:01:02,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:01:02,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854885458] [2022-12-14 06:01:02,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:01:02,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:01:02,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:01:02,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:01:02,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:01:02,314 INFO L87 Difference]: Start difference. First operand 83883 states and 115710 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 06:01:05,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:01:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:01:15,739 INFO L93 Difference]: Finished difference Result 187765 states and 264462 transitions. [2022-12-14 06:01:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:01:15,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 404 [2022-12-14 06:01:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:01:16,167 INFO L225 Difference]: With dead ends: 187765 [2022-12-14 06:01:16,168 INFO L226 Difference]: Without dead ends: 110075 [2022-12-14 06:01:16,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:01:16,353 INFO L413 NwaCegarLoop]: 2899 mSDtfsCounter, 424 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 5257 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:01:16,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 5257 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 709 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 06:01:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110075 states. [2022-12-14 06:01:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110075 to 83883. [2022-12-14 06:01:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83883 states, 49408 states have (on average 1.232816547927461) internal successors, (60911), 50789 states have internal predecessors, (60911), 27076 states have call successors, (27076), 7657 states have call predecessors, (27076), 7397 states have return successors, (27721), 26104 states have call predecessors, (27721), 27064 states have call successors, (27721) [2022-12-14 06:01:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83883 states to 83883 states and 115708 transitions. [2022-12-14 06:01:23,607 INFO L78 Accepts]: Start accepts. Automaton has 83883 states and 115708 transitions. Word has length 404 [2022-12-14 06:01:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:01:23,608 INFO L495 AbstractCegarLoop]: Abstraction has 83883 states and 115708 transitions. [2022-12-14 06:01:23,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 06:01:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 83883 states and 115708 transitions. [2022-12-14 06:01:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 06:01:23,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:01:23,617 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:01:23,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 06:01:23,617 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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)] === [2022-12-14 06:01:23,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:01:23,618 INFO L85 PathProgramCache]: Analyzing trace with hash -960183531, now seen corresponding path program 1 times [2022-12-14 06:01:23,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:01:23,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048356916] [2022-12-14 06:01:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:01:23,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:01:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:01:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1465 trivial. 0 not checked. [2022-12-14 06:01:24,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:01:24,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048356916] [2022-12-14 06:01:24,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048356916] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:01:24,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:01:24,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:01:24,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790821028] [2022-12-14 06:01:24,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:01:24,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:01:24,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:01:24,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:01:24,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:01:24,065 INFO L87 Difference]: Start difference. First operand 83883 states and 115708 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 06:01:27,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:01:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:01:35,391 INFO L93 Difference]: Finished difference Result 168227 states and 233471 transitions. [2022-12-14 06:01:35,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:01:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 431 [2022-12-14 06:01:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:01:35,689 INFO L225 Difference]: With dead ends: 168227 [2022-12-14 06:01:35,689 INFO L226 Difference]: Without dead ends: 84427 [2022-12-14 06:01:35,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:01:35,880 INFO L413 NwaCegarLoop]: 2184 mSDtfsCounter, 5 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4363 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:01:35,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4363 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 614 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 06:01:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84427 states. [2022-12-14 06:01:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84427 to 83951. [2022-12-14 06:01:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83951 states, 49476 states have (on average 1.2324965639906218) internal successors, (60979), 50857 states have internal predecessors, (60979), 27076 states have call successors, (27076), 7657 states have call predecessors, (27076), 7397 states have return successors, (27721), 26104 states have call predecessors, (27721), 27064 states have call successors, (27721) [2022-12-14 06:01:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83951 states to 83951 states and 115776 transitions. [2022-12-14 06:01:42,334 INFO L78 Accepts]: Start accepts. Automaton has 83951 states and 115776 transitions. Word has length 431 [2022-12-14 06:01:42,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:01:42,334 INFO L495 AbstractCegarLoop]: Abstraction has 83951 states and 115776 transitions. [2022-12-14 06:01:42,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 06:01:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 83951 states and 115776 transitions. [2022-12-14 06:01:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-14 06:01:42,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:01:42,343 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:01:42,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 06:01:42,344 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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)] === [2022-12-14 06:01:42,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:01:42,344 INFO L85 PathProgramCache]: Analyzing trace with hash 528707493, now seen corresponding path program 1 times [2022-12-14 06:01:42,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:01:42,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168151552] [2022-12-14 06:01:42,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:01:42,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:01:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:01:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2022-12-14 06:01:43,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:01:43,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168151552] [2022-12-14 06:01:43,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168151552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:01:43,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:01:43,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:01:43,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308327623] [2022-12-14 06:01:43,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:01:43,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:01:43,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:01:43,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:01:43,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:01:43,050 INFO L87 Difference]: Start difference. First operand 83951 states and 115776 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 06:01:47,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:01:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:01:57,842 INFO L93 Difference]: Finished difference Result 83961 states and 115785 transitions. [2022-12-14 06:01:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:01:57,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 436 [2022-12-14 06:01:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:01:58,105 INFO L225 Difference]: With dead ends: 83961 [2022-12-14 06:01:58,105 INFO L226 Difference]: Without dead ends: 83959 [2022-12-14 06:01:58,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:01:58,136 INFO L413 NwaCegarLoop]: 2198 mSDtfsCounter, 2340 mSDsluCounter, 4410 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 6608 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:01:58,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 6608 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 949 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-12-14 06:01:58,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83959 states. [2022-12-14 06:02:04,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83959 to 83837. [2022-12-14 06:02:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83837 states, 49417 states have (on average 1.2327336746463768) internal successors, (60918), 50794 states have internal predecessors, (60918), 27040 states have call successors, (27040), 7636 states have call predecessors, (27040), 7378 states have return successors, (27691), 26074 states have call predecessors, (27691), 27034 states have call successors, (27691) [2022-12-14 06:02:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83837 states to 83837 states and 115649 transitions. [2022-12-14 06:02:05,033 INFO L78 Accepts]: Start accepts. Automaton has 83837 states and 115649 transitions. Word has length 436 [2022-12-14 06:02:05,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:02:05,034 INFO L495 AbstractCegarLoop]: Abstraction has 83837 states and 115649 transitions. [2022-12-14 06:02:05,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 06:02:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 83837 states and 115649 transitions. [2022-12-14 06:02:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-12-14 06:02:05,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:02:05,044 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:02:05,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 06:02:05,045 INFO L420 AbstractCegarLoop]: === Iteration 31 === 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)] === [2022-12-14 06:02:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:02:05,045 INFO L85 PathProgramCache]: Analyzing trace with hash 606653799, now seen corresponding path program 1 times [2022-12-14 06:02:05,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:02:05,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085209724] [2022-12-14 06:02:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:02:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:02:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:02:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2022-12-14 06:02:05,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:02:05,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085209724] [2022-12-14 06:02:05,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085209724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:02:05,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:02:05,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:02:05,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671090512] [2022-12-14 06:02:05,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:02:05,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:02:05,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:02:05,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:02:05,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:02:05,756 INFO L87 Difference]: Start difference. First operand 83837 states and 115649 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 06:02:10,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:02:19,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:02:19,744 INFO L93 Difference]: Finished difference Result 83847 states and 115658 transitions. [2022-12-14 06:02:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:02:19,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 451 [2022-12-14 06:02:19,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:02:20,020 INFO L225 Difference]: With dead ends: 83847 [2022-12-14 06:02:20,020 INFO L226 Difference]: Without dead ends: 83845 [2022-12-14 06:02:20,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:02:20,056 INFO L413 NwaCegarLoop]: 2182 mSDtfsCounter, 2347 mSDsluCounter, 4343 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 6525 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:02:20,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 6525 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 939 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 06:02:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83845 states. [2022-12-14 06:02:26,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83845 to 83845. [2022-12-14 06:02:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83845 states, 49423 states have (on average 1.2327054205531838) internal successors, (60924), 50800 states have internal predecessors, (60924), 27040 states have call successors, (27040), 7638 states have call predecessors, (27040), 7380 states have return successors, (27691), 26074 states have call predecessors, (27691), 27034 states have call successors, (27691) [2022-12-14 06:02:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83845 states to 83845 states and 115655 transitions. [2022-12-14 06:02:26,743 INFO L78 Accepts]: Start accepts. Automaton has 83845 states and 115655 transitions. Word has length 451 [2022-12-14 06:02:26,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:02:26,744 INFO L495 AbstractCegarLoop]: Abstraction has 83845 states and 115655 transitions. [2022-12-14 06:02:26,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 06:02:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 83845 states and 115655 transitions. [2022-12-14 06:02:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-12-14 06:02:26,755 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:02:26,755 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 6, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:02:26,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 06:02:26,756 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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)] === [2022-12-14 06:02:26,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:02:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1019028505, now seen corresponding path program 1 times [2022-12-14 06:02:26,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:02:26,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720811542] [2022-12-14 06:02:26,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:02:26,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:02:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:02:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2022-12-14 06:02:27,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:02:27,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720811542] [2022-12-14 06:02:27,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720811542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:02:27,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:02:27,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:02:27,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089210814] [2022-12-14 06:02:27,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:02:27,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:02:27,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:02:27,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:02:27,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:02:27,417 INFO L87 Difference]: Start difference. First operand 83845 states and 115655 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 06:02:31,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:02:36,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:02:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:02:43,911 INFO L93 Difference]: Finished difference Result 83855 states and 115664 transitions. [2022-12-14 06:02:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:02:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 461 [2022-12-14 06:02:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:02:44,177 INFO L225 Difference]: With dead ends: 83855 [2022-12-14 06:02:44,177 INFO L226 Difference]: Without dead ends: 83851 [2022-12-14 06:02:44,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:02:44,211 INFO L413 NwaCegarLoop]: 2182 mSDtfsCounter, 2347 mSDsluCounter, 4343 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 6525 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:02:44,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 6525 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 939 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 06:02:44,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83851 states. [2022-12-14 06:02:50,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83851 to 83851. [2022-12-14 06:02:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83851 states, 49428 states have (on average 1.2326616492676217) internal successors, (60928), 50804 states have internal predecessors, (60928), 27040 states have call successors, (27040), 7640 states have call predecessors, (27040), 7381 states have return successors, (27691), 26074 states have call predecessors, (27691), 27034 states have call successors, (27691) [2022-12-14 06:02:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83851 states to 83851 states and 115659 transitions. [2022-12-14 06:02:51,315 INFO L78 Accepts]: Start accepts. Automaton has 83851 states and 115659 transitions. Word has length 461 [2022-12-14 06:02:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:02:51,315 INFO L495 AbstractCegarLoop]: Abstraction has 83851 states and 115659 transitions. [2022-12-14 06:02:51,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 06:02:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 83851 states and 115659 transitions. [2022-12-14 06:02:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-12-14 06:02:51,329 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:02:51,330 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:02:51,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 06:02:51,330 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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)] === [2022-12-14 06:02:51,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:02:51,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1066642478, now seen corresponding path program 1 times [2022-12-14 06:02:51,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:02:51,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547432891] [2022-12-14 06:02:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:02:51,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:02:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:02:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2022-12-14 06:02:52,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:02:52,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547432891] [2022-12-14 06:02:52,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547432891] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:02:52,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:02:52,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:02:52,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922738599] [2022-12-14 06:02:52,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:02:52,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:02:52,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:02:52,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:02:52,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:02:52,446 INFO L87 Difference]: Start difference. First operand 83851 states and 115659 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 06:02:55,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:03:06,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:03:06,632 INFO L93 Difference]: Finished difference Result 83851 states and 115659 transitions. [2022-12-14 06:03:06,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:03:06,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 486 [2022-12-14 06:03:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:03:06,891 INFO L225 Difference]: With dead ends: 83851 [2022-12-14 06:03:06,891 INFO L226 Difference]: Without dead ends: 83849 [2022-12-14 06:03:06,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:03:06,922 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 2323 mSDsluCounter, 4419 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2325 SdHoareTripleChecker+Valid, 6615 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:03:06,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2325 Valid, 6615 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 06:03:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83849 states. [2022-12-14 06:03:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83849 to 83849. [2022-12-14 06:03:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83849 states, 49427 states have (on average 1.2320189370182288) internal successors, (60895), 50802 states have internal predecessors, (60895), 27040 states have call successors, (27040), 7640 states have call predecessors, (27040), 7381 states have return successors, (27691), 26074 states have call predecessors, (27691), 27034 states have call successors, (27691) [2022-12-14 06:03:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83849 states to 83849 states and 115626 transitions. [2022-12-14 06:03:14,236 INFO L78 Accepts]: Start accepts. Automaton has 83849 states and 115626 transitions. Word has length 486 [2022-12-14 06:03:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:03:14,236 INFO L495 AbstractCegarLoop]: Abstraction has 83849 states and 115626 transitions. [2022-12-14 06:03:14,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 06:03:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 83849 states and 115626 transitions. [2022-12-14 06:03:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-12-14 06:03:14,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:03:14,250 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 10, 9, 9, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:03:14,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 06:03:14,250 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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)] === [2022-12-14 06:03:14,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:03:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2130159847, now seen corresponding path program 1 times [2022-12-14 06:03:14,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:03:14,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833101275] [2022-12-14 06:03:14,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:03:14,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:03:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:03:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked. [2022-12-14 06:03:14,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:03:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833101275] [2022-12-14 06:03:14,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833101275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:03:14,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:03:14,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:03:14,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234801320] [2022-12-14 06:03:14,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:03:14,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:03:14,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:03:14,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:03:14,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:03:14,888 INFO L87 Difference]: Start difference. First operand 83849 states and 115626 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 06:03:18,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:03:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:03:28,880 INFO L93 Difference]: Finished difference Result 83855 states and 115631 transitions. [2022-12-14 06:03:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:03:28,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 481 [2022-12-14 06:03:28,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:03:29,135 INFO L225 Difference]: With dead ends: 83855 [2022-12-14 06:03:29,135 INFO L226 Difference]: Without dead ends: 83562 [2022-12-14 06:03:29,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:03:29,167 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 2345 mSDsluCounter, 4339 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 6519 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:03:29,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 6519 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 939 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 06:03:29,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83562 states. [2022-12-14 06:03:36,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83562 to 83562. [2022-12-14 06:03:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83562 states, 49350 states have (on average 1.2304154002026342) internal successors, (60721), 50631 states have internal predecessors, (60721), 26840 states have call successors, (26840), 7629 states have call predecessors, (26840), 7371 states have return successors, (27494), 25969 states have call predecessors, (27494), 26837 states have call successors, (27494) [2022-12-14 06:03:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83562 states to 83562 states and 115055 transitions. [2022-12-14 06:03:36,503 INFO L78 Accepts]: Start accepts. Automaton has 83562 states and 115055 transitions. Word has length 481 [2022-12-14 06:03:36,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:03:36,504 INFO L495 AbstractCegarLoop]: Abstraction has 83562 states and 115055 transitions. [2022-12-14 06:03:36,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 06:03:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 83562 states and 115055 transitions. [2022-12-14 06:03:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-12-14 06:03:36,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:03:36,522 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 15, 15, 14, 13, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:03:36,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 06:03:36,523 INFO L420 AbstractCegarLoop]: === Iteration 35 === 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)] === [2022-12-14 06:03:36,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:03:36,523 INFO L85 PathProgramCache]: Analyzing trace with hash 724675978, now seen corresponding path program 1 times [2022-12-14 06:03:36,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:03:36,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517095206] [2022-12-14 06:03:36,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:03:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:03:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:03:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1869 trivial. 0 not checked. [2022-12-14 06:03:37,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:03:37,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517095206] [2022-12-14 06:03:37,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517095206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:03:37,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:03:37,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:03:37,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897884489] [2022-12-14 06:03:37,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:03:37,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:03:37,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:03:37,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:03:37,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:03:37,166 INFO L87 Difference]: Start difference. First operand 83562 states and 115055 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-12-14 06:03:41,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:03:42,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:03:53,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:03:53,341 INFO L93 Difference]: Finished difference Result 83562 states and 115055 transitions. [2022-12-14 06:03:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:03:53,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 510 [2022-12-14 06:03:53,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:03:53,348 INFO L225 Difference]: With dead ends: 83562 [2022-12-14 06:03:53,348 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 06:03:53,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:03:53,494 INFO L413 NwaCegarLoop]: 2184 mSDtfsCounter, 2265 mSDsluCounter, 4451 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 6635 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:03:53,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2265 Valid, 6635 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 945 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 06:03:53,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 06:03:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 06:03:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:03:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 06:03:53,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 510 [2022-12-14 06:03:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:03:53,502 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 06:03:53,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-12-14 06:03:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 06:03:53,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 06:03:53,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-14 06:03:53,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-14 06:03:53,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-14 06:03:53,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 06:03:53,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.